7889724140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{2423}}^1$

素因数の和:2667

約数の個数: 96

約数和(自身を含む): 17951601024

約数和(自身を除く): 10061876884

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 157, 170, 244, 305, 314, 340, 610, 628, 785, 1037, 1220, 1570, 2074, 2423, 2669, 3140, 4148, 4846, 5185, 5338, 9577, 9692, 10370, 10676, 12115, 13345, 19154, 20740, 24230, 26690, 38308, 41191, 47885, 48460, 53380, 82382, 95770, 147803, 162809, 164764, 191540, 205955, 295606, 325618, 380411, 411910, 591212, 651236, 739015, 760822, 814045, 823820, 1478030, 1521644, 1628090, 1902055, 2512651, 2956060, 3256180, 3804110, 5025302, 6466987, 7608220, 10050604, 12563255, 12933974, 23205071, 25126510, 25867948, 32334935, 46410142, 50253020, 64669870, 92820284, 116025355, 129339740, 232050710, 394486207, 464101420, 788972414, 1577944828, 1972431035, 3944862070, 7889724140]

約数ペア:

[(1, 7889724140), (2, 3944862070), (4, 1972431035), (5, 1577944828), (10, 788972414), (17, 464101420), (20, 394486207), (34, 232050710), (61, 129339740), (68, 116025355), (85, 92820284), (122, 64669870), (157, 50253020), (170, 46410142), (244, 32334935), (305, 25867948), (314, 25126510), (340, 23205071), (610, 12933974), (628, 12563255), (785, 10050604), (1037, 7608220), (1220, 6466987), (1570, 5025302), (2074, 3804110), (2423, 3256180), (2669, 2956060), (3140, 2512651), (4148, 1902055), (4846, 1628090), (5185, 1521644), (5338, 1478030), (9577, 823820), (9692, 814045), (10370, 760822), (10676, 739015), (12115, 651236), (13345, 591212), (19154, 411910), (20740, 380411), (24230, 325618), (26690, 295606), (38308, 205955), (41191, 191540), (47885, 164764), (48460, 162809), (53380, 147803), (82382, 95770)]