31903340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7351}}^1$

素因数の和:7398

約数の個数: 48

約数和(自身を含む): 79048704

約数和(自身を除く): 47145364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 7351, 14702, 29404, 36755, 51457, 73510, 102914, 147020, 205828, 227881, 257285, 455762, 514570, 911524, 1029140, 1139405, 1595167, 2278810, 3190334, 4557620, 6380668, 7975835, 15951670, 31903340]

約数ペア:

[(1, 31903340), (2, 15951670), (4, 7975835), (5, 6380668), (7, 4557620), (10, 3190334), (14, 2278810), (20, 1595167), (28, 1139405), (31, 1029140), (35, 911524), (62, 514570), (70, 455762), (124, 257285), (140, 227881), (155, 205828), (217, 147020), (310, 102914), (434, 73510), (620, 51457), (868, 36755), (1085, 29404), (2170, 14702), (4340, 7351)]