289777360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{613}}^1$

素因数の和:956

約数の個数: 80

約数和(自身を含む): 712632960

約数和(自身を除く): 422855600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 311, 380, 613, 622, 760, 1226, 1244, 1520, 1555, 2452, 2488, 3065, 3110, 4904, 4976, 5909, 6130, 6220, 9808, 11647, 11818, 12260, 12440, 23294, 23636, 24520, 24880, 29545, 46588, 47272, 49040, 58235, 59090, 93176, 94544, 116470, 118180, 186352, 190643, 232940, 236360, 381286, 465880, 472720, 762572, 931760, 953215, 1525144, 1906430, 3050288, 3622217, 3812860, 7244434, 7625720, 14488868, 15251440, 18111085, 28977736, 36222170, 57955472, 72444340, 144888680, 289777360]

約数ペア:

[(1, 289777360), (2, 144888680), (4, 72444340), (5, 57955472), (8, 36222170), (10, 28977736), (16, 18111085), (19, 15251440), (20, 14488868), (38, 7625720), (40, 7244434), (76, 3812860), (80, 3622217), (95, 3050288), (152, 1906430), (190, 1525144), (304, 953215), (311, 931760), (380, 762572), (613, 472720), (622, 465880), (760, 381286), (1226, 236360), (1244, 232940), (1520, 190643), (1555, 186352), (2452, 118180), (2488, 116470), (3065, 94544), (3110, 93176), (4904, 59090), (4976, 58235), (5909, 49040), (6130, 47272), (6220, 46588), (9808, 29545), (11647, 24880), (11818, 24520), (12260, 23636), (12440, 23294)]