388760060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1495231}}^1$

素因数の和:1495253

約数の個数: 24

約数和(自身を含む): 879196416

約数和(自身を除く): 490436356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1495231, 2990462, 5980924, 7476155, 14952310, 19438003, 29904620, 38876006, 77752012, 97190015, 194380030, 388760060]

約数ペア:

[(1, 388760060), (2, 194380030), (4, 97190015), (5, 77752012), (10, 38876006), (13, 29904620), (20, 19438003), (26, 14952310), (52, 7476155), (65, 5980924), (130, 2990462), (260, 1495231)]