131499100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{18521}}^1$

素因数の和:18606

約数の個数: 36

約数和(自身を含む): 289387728

約数和(自身を除く): 157888628

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 18521, 37042, 74084, 92605, 185210, 370420, 463025, 926050, 1314991, 1852100, 2629982, 5259964, 6574955, 13149910, 26299820, 32874775, 65749550, 131499100]

約数ペア:

[(1, 131499100), (2, 65749550), (4, 32874775), (5, 26299820), (10, 13149910), (20, 6574955), (25, 5259964), (50, 2629982), (71, 1852100), (100, 1314991), (142, 926050), (284, 463025), (355, 370420), (710, 185210), (1420, 92605), (1775, 74084), (3550, 37042), (7100, 18521)]