201488740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{677}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 442858752

約数和(自身を除く): 241370012

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 647, 677, 1294, 1354, 2588, 2708, 3235, 3385, 6470, 6770, 12940, 13540, 14881, 15571, 29762, 31142, 59524, 62284, 74405, 77855, 148810, 155710, 297620, 311420, 438019, 876038, 1752076, 2190095, 4380190, 8760380, 10074437, 20148874, 40297748, 50372185, 100744370, 201488740]

約数ペア:

[(1, 201488740), (2, 100744370), (4, 50372185), (5, 40297748), (10, 20148874), (20, 10074437), (23, 8760380), (46, 4380190), (92, 2190095), (115, 1752076), (230, 876038), (460, 438019), (647, 311420), (677, 297620), (1294, 155710), (1354, 148810), (2588, 77855), (2708, 74405), (3235, 62284), (3385, 59524), (6470, 31142), (6770, 29762), (12940, 15571), (13540, 14881)]