7900240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 20101392

約数和(自身を除く): 12201152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 136, 148, 157, 170, 185, 272, 296, 314, 340, 370, 592, 628, 629, 680, 740, 785, 1256, 1258, 1360, 1480, 1570, 2512, 2516, 2669, 2960, 3140, 3145, 5032, 5338, 5809, 6280, 6290, 10064, 10676, 11618, 12560, 12580, 13345, 21352, 23236, 25160, 26690, 29045, 42704, 46472, 50320, 53380, 58090, 92944, 98753, 106760, 116180, 197506, 213520, 232360, 395012, 464720, 493765, 790024, 987530, 1580048, 1975060, 3950120, 7900240]

約数ペア:

[(1, 7900240), (2, 3950120), (4, 1975060), (5, 1580048), (8, 987530), (10, 790024), (16, 493765), (17, 464720), (20, 395012), (34, 232360), (37, 213520), (40, 197506), (68, 116180), (74, 106760), (80, 98753), (85, 92944), (136, 58090), (148, 53380), (157, 50320), (170, 46472), (185, 42704), (272, 29045), (296, 26690), (314, 25160), (340, 23236), (370, 21352), (592, 13345), (628, 12580), (629, 12560), (680, 11618), (740, 10676), (785, 10064), (1256, 6290), (1258, 6280), (1360, 5809), (1480, 5338), (1570, 5032), (2512, 3145), (2516, 3140), (2669, 2960)]