397391230

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{2957}}^1$

素因数の和:3204

約数の個数: 32

約数和(自身を含む): 728377920

約数和(自身を除く): 330986690

約数列:

[1, 2, 5, 10, 89, 151, 178, 302, 445, 755, 890, 1510, 2957, 5914, 13439, 14785, 26878, 29570, 67195, 134390, 263173, 446507, 526346, 893014, 1315865, 2232535, 2631730, 4465070, 39739123, 79478246, 198695615, 397391230]

約数ペア:

[(1, 397391230), (2, 198695615), (5, 79478246), (10, 39739123), (89, 4465070), (151, 2631730), (178, 2232535), (302, 1315865), (445, 893014), (755, 526346), (890, 446507), (1510, 263173), (2957, 134390), (5914, 67195), (13439, 29570), (14785, 26878)]