286381880

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{23321}}^1$

素因数の和:23639

約数の個数: 32

約数和(自身を含む): 646485840

約数和(自身を除く): 360103960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 23321, 46642, 93284, 116605, 186568, 233210, 466420, 932840, 7159547, 14319094, 28638188, 35797735, 57276376, 71595470, 143190940, 286381880]

約数ペア:

[(1, 286381880), (2, 143190940), (4, 71595470), (5, 57276376), (8, 35797735), (10, 28638188), (20, 14319094), (40, 7159547), (307, 932840), (614, 466420), (1228, 233210), (1535, 186568), (2456, 116605), (3070, 93284), (6140, 46642), (12280, 23321)]