225972020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{364471}}^1$

素因数の和:364511

約数の個数: 24

約数和(自身を含む): 489850368

約数和(自身を除く): 263878348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 364471, 728942, 1457884, 1822355, 3644710, 7289420, 11298601, 22597202, 45194404, 56493005, 112986010, 225972020]

約数ペア:

[(1, 225972020), (2, 112986010), (4, 56493005), (5, 45194404), (10, 22597202), (20, 11298601), (31, 7289420), (62, 3644710), (124, 1822355), (155, 1457884), (310, 728942), (620, 364471)]