305925220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{2801}}^1$

素因数の和:2980

約数の個数: 48

約数和(自身を含む): 662796288

約数和(自身を除く): 356871068

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 127, 172, 215, 254, 430, 508, 635, 860, 1270, 2540, 2801, 5461, 5602, 10922, 11204, 14005, 21844, 27305, 28010, 54610, 56020, 109220, 120443, 240886, 355727, 481772, 602215, 711454, 1204430, 1422908, 1778635, 2408860, 3557270, 7114540, 15296261, 30592522, 61185044, 76481305, 152962610, 305925220]

約数ペア:

[(1, 305925220), (2, 152962610), (4, 76481305), (5, 61185044), (10, 30592522), (20, 15296261), (43, 7114540), (86, 3557270), (127, 2408860), (172, 1778635), (215, 1422908), (254, 1204430), (430, 711454), (508, 602215), (635, 481772), (860, 355727), (1270, 240886), (2540, 120443), (2801, 109220), (5461, 56020), (5602, 54610), (10922, 28010), (11204, 27305), (14005, 21844)]