745351490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{25037}}^1$

素因数の和:25286

約数の個数: 32

約数和(自身を含む): 1451202480

約数和(自身を除く): 705850990

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 229, 458, 1145, 2290, 2977, 5954, 14885, 25037, 29770, 50074, 125185, 250370, 325481, 650962, 1627405, 3254810, 5733473, 11466946, 28667365, 57334730, 74535149, 149070298, 372675745, 745351490]

約数ペア:

[(1, 745351490), (2, 372675745), (5, 149070298), (10, 74535149), (13, 57334730), (26, 28667365), (65, 11466946), (130, 5733473), (229, 3254810), (458, 1627405), (1145, 650962), (2290, 325481), (2977, 250370), (5954, 125185), (14885, 50074), (25037, 29770)]