431345980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{87317}}^1$

素因数の和:87358

約数の個数: 48

約数和(自身を含む): 1026859680

約数和(自身を除く): 595513700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 87317, 174634, 349268, 436585, 873170, 1135121, 1659023, 1746340, 2270242, 3318046, 4540484, 5675605, 6636092, 8295115, 11351210, 16590230, 21567299, 22702420, 33180460, 43134598, 86269196, 107836495, 215672990, 431345980]

約数ペア:

[(1, 431345980), (2, 215672990), (4, 107836495), (5, 86269196), (10, 43134598), (13, 33180460), (19, 22702420), (20, 21567299), (26, 16590230), (38, 11351210), (52, 8295115), (65, 6636092), (76, 5675605), (95, 4540484), (130, 3318046), (190, 2270242), (247, 1746340), (260, 1659023), (380, 1135121), (494, 873170), (988, 436585), (1235, 349268), (2470, 174634), (4940, 87317)]