20199836400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1$

素因数の和:916

約数の個数: 240

約数和(自身を含む): 65633224800

約数和(自身を除く): 45433388400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 109, 120, 150, 200, 218, 240, 300, 327, 389, 397, 400, 436, 545, 600, 654, 778, 794, 872, 1090, 1167, 1191, 1200, 1308, 1556, 1588, 1635, 1744, 1945, 1985, 2180, 2334, 2382, 2616, 2725, 3112, 3176, 3270, 3890, 3970, 4360, 4668, 4764, 5232, 5450, 5835, 5955, 6224, 6352, 6540, 7780, 7940, 8175, 8720, 9336, 9528, 9725, 9925, 10900, 11670, 11910, 13080, 15560, 15880, 16350, 18672, 19056, 19450, 19850, 21800, 23340, 23820, 26160, 29175, 29775, 31120, 31760, 32700, 38900, 39700, 42401, 43273, 43600, 46680, 47640, 58350, 59550, 65400, 77800, 79400, 84802, 86546, 93360, 95280, 116700, 119100, 127203, 129819, 130800, 154433, 155600, 158800, 169604, 173092, 212005, 216365, 233400, 238200, 254406, 259638, 308866, 339208, 346184, 424010, 432730, 463299, 466800, 476400, 508812, 519276, 617732, 636015, 649095, 678416, 692368, 772165, 848020, 865460, 926598, 1017624, 1038552, 1060025, 1081825, 1235464, 1272030, 1298190, 1544330, 1696040, 1730920, 1853196, 2035248, 2077104, 2120050, 2163650, 2316495, 2470928, 2544060, 2596380, 3088660, 3180075, 3245475, 3392080, 3461840, 3706392, 3860825, 4240100, 4327300, 4632990, 5088120, 5192760, 6177320, 6360150, 6490950, 7412784, 7721650, 8480200, 8654600, 9265980, 10176240, 10385520, 11582475, 12354640, 12720300, 12981900, 15443300, 16833197, 16960400, 17309200, 18531960, 23164950, 25440600, 25963800, 30886600, 33666394, 37063920, 46329900, 50499591, 50881200, 51927600, 61773200, 67332788, 84165985, 92659800, 100999182, 134665576, 168331970, 185319600, 201998364, 252497955, 269331152, 336663940, 403996728, 420829925, 504995910, 673327880, 807993456, 841659850, 1009991820, 1262489775, 1346655760, 1683319700, 2019983640, 2524979550, 3366639400, 4039967280, 5049959100, 6733278800, 10099918200, 20199836400]

約数ペア:

[(1, 20199836400), (2, 10099918200), (3, 6733278800), (4, 5049959100), (5, 4039967280), (6, 3366639400), (8, 2524979550), (10, 2019983640), (12, 1683319700), (15, 1346655760), (16, 1262489775), (20, 1009991820), (24, 841659850), (25, 807993456), (30, 673327880), (40, 504995910), (48, 420829925), (50, 403996728), (60, 336663940), (75, 269331152), (80, 252497955), (100, 201998364), (109, 185319600), (120, 168331970), (150, 134665576), (200, 100999182), (218, 92659800), (240, 84165985), (300, 67332788), (327, 61773200), (389, 51927600), (397, 50881200), (400, 50499591), (436, 46329900), (545, 37063920), (600, 33666394), (654, 30886600), (778, 25963800), (794, 25440600), (872, 23164950), (1090, 18531960), (1167, 17309200), (1191, 16960400), (1200, 16833197), (1308, 15443300), (1556, 12981900), (1588, 12720300), (1635, 12354640), (1744, 11582475), (1945, 10385520), (1985, 10176240), (2180, 9265980), (2334, 8654600), (2382, 8480200), (2616, 7721650), (2725, 7412784), (3112, 6490950), (3176, 6360150), (3270, 6177320), (3890, 5192760), (3970, 5088120), (4360, 4632990), (4668, 4327300), (4764, 4240100), (5232, 3860825), (5450, 3706392), (5835, 3461840), (5955, 3392080), (6224, 3245475), (6352, 3180075), (6540, 3088660), (7780, 2596380), (7940, 2544060), (8175, 2470928), (8720, 2316495), (9336, 2163650), (9528, 2120050), (9725, 2077104), (9925, 2035248), (10900, 1853196), (11670, 1730920), (11910, 1696040), (13080, 1544330), (15560, 1298190), (15880, 1272030), (16350, 1235464), (18672, 1081825), (19056, 1060025), (19450, 1038552), (19850, 1017624), (21800, 926598), (23340, 865460), (23820, 848020), (26160, 772165), (29175, 692368), (29775, 678416), (31120, 649095), (31760, 636015), (32700, 617732), (38900, 519276), (39700, 508812), (42401, 476400), (43273, 466800), (43600, 463299), (46680, 432730), (47640, 424010), (58350, 346184), (59550, 339208), (65400, 308866), (77800, 259638), (79400, 254406), (84802, 238200), (86546, 233400), (93360, 216365), (95280, 212005), (116700, 173092), (119100, 169604), (127203, 158800), (129819, 155600), (130800, 154433)]