28613940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4457}}^1$

素因数の和:4576

約数の個数: 48

約数和(自身を含む): 80885952

約数和(自身を除く): 52272012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 4457, 6420, 8914, 13371, 17828, 22285, 26742, 44570, 53484, 66855, 89140, 133710, 267420, 476899, 953798, 1430697, 1907596, 2384495, 2861394, 4768990, 5722788, 7153485, 9537980, 14306970, 28613940]

約数ペア:

[(1, 28613940), (2, 14306970), (3, 9537980), (4, 7153485), (5, 5722788), (6, 4768990), (10, 2861394), (12, 2384495), (15, 1907596), (20, 1430697), (30, 953798), (60, 476899), (107, 267420), (214, 133710), (321, 89140), (428, 66855), (535, 53484), (642, 44570), (1070, 26742), (1284, 22285), (1605, 17828), (2140, 13371), (3210, 8914), (4457, 6420)]