38417740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 82736640

約数和(自身を除く): 44318900

約数列:

[1, 2, 4, 5, 10, 20, 89, 113, 178, 191, 226, 356, 382, 445, 452, 565, 764, 890, 955, 1130, 1780, 1910, 2260, 3820, 10057, 16999, 20114, 21583, 33998, 40228, 43166, 50285, 67996, 84995, 86332, 100570, 107915, 169990, 201140, 215830, 339980, 431660, 1920887, 3841774, 7683548, 9604435, 19208870, 38417740]

約数ペア:

[(1, 38417740), (2, 19208870), (4, 9604435), (5, 7683548), (10, 3841774), (20, 1920887), (89, 431660), (113, 339980), (178, 215830), (191, 201140), (226, 169990), (356, 107915), (382, 100570), (445, 86332), (452, 84995), (565, 67996), (764, 50285), (890, 43166), (955, 40228), (1130, 33998), (1780, 21583), (1910, 20114), (2260, 16999), (3820, 10057)]