320438875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 419986944

約数和(自身を除く): 99548069

約数列:

[1, 5, 23, 25, 115, 125, 227, 491, 575, 1135, 2455, 2875, 5221, 5675, 11293, 12275, 26105, 28375, 56465, 61375, 111457, 130525, 282325, 557285, 652625, 1411625, 2563511, 2786425, 12817555, 13932125, 64087775, 320438875]

約数ペア:

[(1, 320438875), (5, 64087775), (23, 13932125), (25, 12817555), (115, 2786425), (125, 2563511), (227, 1411625), (491, 652625), (575, 557285), (1135, 282325), (2455, 130525), (2875, 111457), (5221, 61375), (5675, 56465), (11293, 28375), (12275, 26105)]