388467200

素因数分解:

$2^9\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 240

約数和(自身を含む): 1096001280

約数和(自身を除く): 707534080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 64, 80, 88, 89, 100, 110, 124, 128, 155, 160, 176, 178, 200, 220, 248, 256, 275, 310, 320, 341, 352, 356, 400, 440, 445, 496, 512, 550, 620, 640, 682, 704, 712, 775, 800, 880, 890, 979, 992, 1100, 1240, 1280, 1364, 1408, 1424, 1550, 1600, 1705, 1760, 1780, 1958, 1984, 2200, 2225, 2480, 2560, 2728, 2759, 2816, 2848, 3100, 3200, 3410, 3520, 3560, 3916, 3968, 4400, 4450, 4895, 4960, 5456, 5518, 5632, 5696, 6200, 6400, 6820, 7040, 7120, 7832, 7936, 8525, 8800, 8900, 9790, 9920, 10912, 11036, 11392, 12400, 12800, 13640, 13795, 14080, 14240, 15664, 15872, 17050, 17600, 17800, 19580, 19840, 21824, 22072, 22784, 24475, 24800, 27280, 27590, 28160, 28480, 30349, 31328, 34100, 35200, 35600, 39160, 39680, 43648, 44144, 45568, 48950, 49600, 54560, 55180, 56960, 60698, 62656, 68200, 68975, 70400, 71200, 78320, 79360, 87296, 88288, 97900, 99200, 109120, 110360, 113920, 121396, 125312, 136400, 137950, 140800, 142400, 151745, 156640, 174592, 176576, 195800, 198400, 218240, 220720, 227840, 242792, 250624, 272800, 275900, 284800, 303490, 313280, 353152, 391600, 396800, 436480, 441440, 485584, 501248, 545600, 551800, 569600, 606980, 626560, 706304, 758725, 783200, 872960, 882880, 971168, 1091200, 1103600, 1139200, 1213960, 1253120, 1412608, 1517450, 1566400, 1765760, 1942336, 2182400, 2207200, 2427920, 2506240, 3034900, 3132800, 3531520, 3884672, 4364800, 4414400, 4855840, 6069800, 6265600, 7063040, 7769344, 8828800, 9711680, 12139600, 12531200, 15538688, 17657600, 19423360, 24279200, 35315200, 38846720, 48558400, 77693440, 97116800, 194233600, 388467200]

約数ペア:

[(1, 388467200), (2, 194233600), (4, 97116800), (5, 77693440), (8, 48558400), (10, 38846720), (11, 35315200), (16, 24279200), (20, 19423360), (22, 17657600), (25, 15538688), (31, 12531200), (32, 12139600), (40, 9711680), (44, 8828800), (50, 7769344), (55, 7063040), (62, 6265600), (64, 6069800), (80, 4855840), (88, 4414400), (89, 4364800), (100, 3884672), (110, 3531520), (124, 3132800), (128, 3034900), (155, 2506240), (160, 2427920), (176, 2207200), (178, 2182400), (200, 1942336), (220, 1765760), (248, 1566400), (256, 1517450), (275, 1412608), (310, 1253120), (320, 1213960), (341, 1139200), (352, 1103600), (356, 1091200), (400, 971168), (440, 882880), (445, 872960), (496, 783200), (512, 758725), (550, 706304), (620, 626560), (640, 606980), (682, 569600), (704, 551800), (712, 545600), (775, 501248), (800, 485584), (880, 441440), (890, 436480), (979, 396800), (992, 391600), (1100, 353152), (1240, 313280), (1280, 303490), (1364, 284800), (1408, 275900), (1424, 272800), (1550, 250624), (1600, 242792), (1705, 227840), (1760, 220720), (1780, 218240), (1958, 198400), (1984, 195800), (2200, 176576), (2225, 174592), (2480, 156640), (2560, 151745), (2728, 142400), (2759, 140800), (2816, 137950), (2848, 136400), (3100, 125312), (3200, 121396), (3410, 113920), (3520, 110360), (3560, 109120), (3916, 99200), (3968, 97900), (4400, 88288), (4450, 87296), (4895, 79360), (4960, 78320), (5456, 71200), (5518, 70400), (5632, 68975), (5696, 68200), (6200, 62656), (6400, 60698), (6820, 56960), (7040, 55180), (7120, 54560), (7832, 49600), (7936, 48950), (8525, 45568), (8800, 44144), (8900, 43648), (9790, 39680), (9920, 39160), (10912, 35600), (11036, 35200), (11392, 34100), (12400, 31328), (12800, 30349), (13640, 28480), (13795, 28160), (14080, 27590), (14240, 27280), (15664, 24800), (15872, 24475), (17050, 22784), (17600, 22072), (17800, 21824), (19580, 19840)]