172865420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4999}}^1$

素因数の和:5047

約数の個数: 96

約数和(自身を含む): 470400000

約数和(自身を除く): 297534580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 2470, 2660, 3458, 4940, 4999, 6916, 8645, 9998, 17290, 19996, 24995, 34580, 34993, 49990, 64987, 69986, 94981, 99980, 129974, 139972, 174965, 189962, 259948, 324935, 349930, 379924, 454909, 474905, 649870, 664867, 699860, 909818, 949810, 1234753, 1299740, 1329734, 1819636, 1899620, 2274545, 2469506, 2659468, 3324335, 4549090, 4939012, 6173765, 6648670, 8643271, 9098180, 12347530, 13297340, 17286542, 24695060, 34573084, 43216355, 86432710, 172865420]

約数ペア:

[(1, 172865420), (2, 86432710), (4, 43216355), (5, 34573084), (7, 24695060), (10, 17286542), (13, 13297340), (14, 12347530), (19, 9098180), (20, 8643271), (26, 6648670), (28, 6173765), (35, 4939012), (38, 4549090), (52, 3324335), (65, 2659468), (70, 2469506), (76, 2274545), (91, 1899620), (95, 1819636), (130, 1329734), (133, 1299740), (140, 1234753), (182, 949810), (190, 909818), (247, 699860), (260, 664867), (266, 649870), (364, 474905), (380, 454909), (455, 379924), (494, 349930), (532, 324935), (665, 259948), (910, 189962), (988, 174965), (1235, 139972), (1330, 129974), (1729, 99980), (1820, 94981), (2470, 69986), (2660, 64987), (3458, 49990), (4940, 34993), (4999, 34580), (6916, 24995), (8645, 19996), (9998, 17290)]