287052580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{235289}}^1$

素因数の和:235359

約数の個数: 24

約数和(自身を含む): 612695160

約数和(自身を除く): 325642580

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 235289, 470578, 941156, 1176445, 2352890, 4705780, 14352629, 28705258, 57410516, 71763145, 143526290, 287052580]

約数ペア:

[(1, 287052580), (2, 143526290), (4, 71763145), (5, 57410516), (10, 28705258), (20, 14352629), (61, 4705780), (122, 2352890), (244, 1176445), (305, 941156), (610, 470578), (1220, 235289)]