3950120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 9726480

約数和(自身を除く): 5776360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 157, 170, 185, 296, 314, 340, 370, 628, 629, 680, 740, 785, 1256, 1258, 1480, 1570, 2516, 2669, 3140, 3145, 5032, 5338, 5809, 6280, 6290, 10676, 11618, 12580, 13345, 21352, 23236, 25160, 26690, 29045, 46472, 53380, 58090, 98753, 106760, 116180, 197506, 232360, 395012, 493765, 790024, 987530, 1975060, 3950120]

約数ペア:

[(1, 3950120), (2, 1975060), (4, 987530), (5, 790024), (8, 493765), (10, 395012), (17, 232360), (20, 197506), (34, 116180), (37, 106760), (40, 98753), (68, 58090), (74, 53380), (85, 46472), (136, 29045), (148, 26690), (157, 25160), (170, 23236), (185, 21352), (296, 13345), (314, 12580), (340, 11618), (370, 10676), (628, 6290), (629, 6280), (680, 5809), (740, 5338), (785, 5032), (1256, 3145), (1258, 3140), (1480, 2669), (1570, 2516)]