31087030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 64810368

約数和(自身を除く): 33723338

約数列:

[1, 2, 5, 10, 13, 23, 26, 37, 46, 65, 74, 115, 130, 185, 230, 281, 299, 370, 481, 562, 598, 851, 962, 1405, 1495, 1702, 2405, 2810, 2990, 3653, 4255, 4810, 6463, 7306, 8510, 10397, 11063, 12926, 18265, 20794, 22126, 32315, 36530, 51985, 55315, 64630, 84019, 103970, 110630, 135161, 168038, 239131, 270322, 420095, 478262, 675805, 840190, 1195655, 1351610, 2391310, 3108703, 6217406, 15543515, 31087030]

約数ペア:

[(1, 31087030), (2, 15543515), (5, 6217406), (10, 3108703), (13, 2391310), (23, 1351610), (26, 1195655), (37, 840190), (46, 675805), (65, 478262), (74, 420095), (115, 270322), (130, 239131), (185, 168038), (230, 135161), (281, 110630), (299, 103970), (370, 84019), (481, 64630), (562, 55315), (598, 51985), (851, 36530), (962, 32315), (1405, 22126), (1495, 20794), (1702, 18265), (2405, 12926), (2810, 11063), (2990, 10397), (3653, 8510), (4255, 7306), (4810, 6463)]