71398640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1117}}^1$

素因数の和:1194

約数の個数: 80

約数和(自身を含む): 179667072

約数和(自身を除く): 108268432

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1117, 1360, 1598, 1880, 2234, 3196, 3760, 3995, 4468, 5585, 6392, 7990, 8936, 11170, 12784, 15980, 17872, 18989, 22340, 31960, 37978, 44680, 52499, 63920, 75956, 89360, 94945, 104998, 151912, 189890, 209996, 262495, 303824, 379780, 419992, 524990, 759560, 839984, 892483, 1049980, 1519120, 1784966, 2099960, 3569932, 4199920, 4462415, 7139864, 8924830, 14279728, 17849660, 35699320, 71398640]

約数ペア:

[(1, 71398640), (2, 35699320), (4, 17849660), (5, 14279728), (8, 8924830), (10, 7139864), (16, 4462415), (17, 4199920), (20, 3569932), (34, 2099960), (40, 1784966), (47, 1519120), (68, 1049980), (80, 892483), (85, 839984), (94, 759560), (136, 524990), (170, 419992), (188, 379780), (235, 303824), (272, 262495), (340, 209996), (376, 189890), (470, 151912), (680, 104998), (752, 94945), (799, 89360), (940, 75956), (1117, 63920), (1360, 52499), (1598, 44680), (1880, 37978), (2234, 31960), (3196, 22340), (3760, 18989), (3995, 17872), (4468, 15980), (5585, 12784), (6392, 11170), (7990, 8936)]