31743980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 69552000

約数和(自身を除く): 37808020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 229, 239, 290, 458, 478, 580, 916, 956, 1145, 1195, 2290, 2390, 4580, 4780, 6641, 6931, 13282, 13862, 26564, 27724, 33205, 34655, 54731, 66410, 69310, 109462, 132820, 138620, 218924, 273655, 547310, 1094620, 1587199, 3174398, 6348796, 7935995, 15871990, 31743980]

約数ペア:

[(1, 31743980), (2, 15871990), (4, 7935995), (5, 6348796), (10, 3174398), (20, 1587199), (29, 1094620), (58, 547310), (116, 273655), (145, 218924), (229, 138620), (239, 132820), (290, 109462), (458, 69310), (478, 66410), (580, 54731), (916, 34655), (956, 33205), (1145, 27724), (1195, 26564), (2290, 13862), (2390, 13282), (4580, 6931), (4780, 6641)]