77698520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1117}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 183530880

約数和(自身を除く): 105832360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 296, 370, 376, 470, 740, 940, 1117, 1480, 1739, 1880, 2234, 3478, 4468, 5585, 6956, 8695, 8936, 11170, 13912, 17390, 22340, 34780, 41329, 44680, 52499, 69560, 82658, 104998, 165316, 206645, 209996, 262495, 330632, 413290, 419992, 524990, 826580, 1049980, 1653160, 1942463, 2099960, 3884926, 7769852, 9712315, 15539704, 19424630, 38849260, 77698520]

約数ペア:

[(1, 77698520), (2, 38849260), (4, 19424630), (5, 15539704), (8, 9712315), (10, 7769852), (20, 3884926), (37, 2099960), (40, 1942463), (47, 1653160), (74, 1049980), (94, 826580), (148, 524990), (185, 419992), (188, 413290), (235, 330632), (296, 262495), (370, 209996), (376, 206645), (470, 165316), (740, 104998), (940, 82658), (1117, 69560), (1480, 52499), (1739, 44680), (1880, 41329), (2234, 34780), (3478, 22340), (4468, 17390), (5585, 13912), (6956, 11170), (8695, 8936)]