245171490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{355321}}^1$

素因数の和:355354

約数の個数: 32

約数和(自身を含む): 613996416

約数和(自身を除く): 368824926

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 355321, 710642, 1065963, 1776605, 2131926, 3553210, 5329815, 8172383, 10659630, 16344766, 24517149, 40861915, 49034298, 81723830, 122585745, 245171490]

約数ペア:

[(1, 245171490), (2, 122585745), (3, 81723830), (5, 49034298), (6, 40861915), (10, 24517149), (15, 16344766), (23, 10659630), (30, 8172383), (46, 5329815), (69, 3553210), (115, 2131926), (138, 1776605), (230, 1065963), (345, 710642), (690, 355321)]