172905980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{39119}}^1$

素因数の和:39158

約数の個数: 48

約数和(自身を含む): 414046080

約数和(自身を除く): 241140100

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 39119, 78238, 156476, 195595, 391190, 508547, 665023, 782380, 1017094, 1330046, 2034188, 2542735, 2660092, 3325115, 5085470, 6650230, 8645299, 10170940, 13300460, 17290598, 34581196, 43226495, 86452990, 172905980]

約数ペア:

[(1, 172905980), (2, 86452990), (4, 43226495), (5, 34581196), (10, 17290598), (13, 13300460), (17, 10170940), (20, 8645299), (26, 6650230), (34, 5085470), (52, 3325115), (65, 2660092), (68, 2542735), (85, 2034188), (130, 1330046), (170, 1017094), (221, 782380), (260, 665023), (340, 508547), (442, 391190), (884, 195595), (1105, 156476), (2210, 78238), (4420, 39119)]