19777800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:320

約数の個数: 192

約数和(自身を含む): 74459520

約数和(自身を除く): 54681720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 25, 28, 30, 34, 35, 40, 42, 50, 51, 56, 60, 68, 70, 75, 84, 85, 100, 102, 105, 119, 120, 136, 140, 150, 168, 170, 175, 200, 204, 210, 238, 255, 277, 280, 300, 340, 350, 357, 408, 420, 425, 476, 510, 525, 554, 595, 600, 680, 700, 714, 831, 840, 850, 952, 1020, 1050, 1108, 1190, 1275, 1385, 1400, 1428, 1662, 1700, 1785, 1939, 2040, 2100, 2216, 2380, 2550, 2770, 2856, 2975, 3324, 3400, 3570, 3878, 4155, 4200, 4709, 4760, 5100, 5540, 5817, 5950, 6648, 6925, 7140, 7756, 8310, 8925, 9418, 9695, 10200, 11080, 11634, 11900, 13850, 14127, 14280, 15512, 16620, 17850, 18836, 19390, 20775, 23268, 23545, 23800, 27700, 28254, 29085, 32963, 33240, 35700, 37672, 38780, 41550, 46536, 47090, 48475, 55400, 56508, 58170, 65926, 70635, 71400, 77560, 83100, 94180, 96950, 98889, 113016, 116340, 117725, 131852, 141270, 145425, 164815, 166200, 188360, 193900, 197778, 232680, 235450, 263704, 282540, 290850, 329630, 353175, 387800, 395556, 470900, 494445, 565080, 581700, 659260, 706350, 791112, 824075, 941800, 988890, 1163400, 1318520, 1412700, 1648150, 1977780, 2472225, 2825400, 3296300, 3955560, 4944450, 6592600, 9888900, 19777800]

約数ペア:

[(1, 19777800), (2, 9888900), (3, 6592600), (4, 4944450), (5, 3955560), (6, 3296300), (7, 2825400), (8, 2472225), (10, 1977780), (12, 1648150), (14, 1412700), (15, 1318520), (17, 1163400), (20, 988890), (21, 941800), (24, 824075), (25, 791112), (28, 706350), (30, 659260), (34, 581700), (35, 565080), (40, 494445), (42, 470900), (50, 395556), (51, 387800), (56, 353175), (60, 329630), (68, 290850), (70, 282540), (75, 263704), (84, 235450), (85, 232680), (100, 197778), (102, 193900), (105, 188360), (119, 166200), (120, 164815), (136, 145425), (140, 141270), (150, 131852), (168, 117725), (170, 116340), (175, 113016), (200, 98889), (204, 96950), (210, 94180), (238, 83100), (255, 77560), (277, 71400), (280, 70635), (300, 65926), (340, 58170), (350, 56508), (357, 55400), (408, 48475), (420, 47090), (425, 46536), (476, 41550), (510, 38780), (525, 37672), (554, 35700), (595, 33240), (600, 32963), (680, 29085), (700, 28254), (714, 27700), (831, 23800), (840, 23545), (850, 23268), (952, 20775), (1020, 19390), (1050, 18836), (1108, 17850), (1190, 16620), (1275, 15512), (1385, 14280), (1400, 14127), (1428, 13850), (1662, 11900), (1700, 11634), (1785, 11080), (1939, 10200), (2040, 9695), (2100, 9418), (2216, 8925), (2380, 8310), (2550, 7756), (2770, 7140), (2856, 6925), (2975, 6648), (3324, 5950), (3400, 5817), (3570, 5540), (3878, 5100), (4155, 4760), (4200, 4709)]