90817610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 183859200

約数和(自身を除く): 93041590

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 79, 130, 158, 185, 239, 370, 395, 478, 481, 790, 962, 1027, 1195, 2054, 2390, 2405, 2923, 3107, 4810, 5135, 5846, 6214, 8843, 10270, 14615, 15535, 17686, 18881, 29230, 31070, 37762, 37999, 44215, 75998, 88430, 94405, 114959, 188810, 189995, 229918, 245453, 379990, 490906, 574795, 698597, 1149590, 1227265, 1397194, 2454530, 3492985, 6985970, 9081761, 18163522, 45408805, 90817610]

約数ペア:

[(1, 90817610), (2, 45408805), (5, 18163522), (10, 9081761), (13, 6985970), (26, 3492985), (37, 2454530), (65, 1397194), (74, 1227265), (79, 1149590), (130, 698597), (158, 574795), (185, 490906), (239, 379990), (370, 245453), (395, 229918), (478, 189995), (481, 188810), (790, 114959), (962, 94405), (1027, 88430), (1195, 75998), (2054, 44215), (2390, 37999), (2405, 37762), (2923, 31070), (3107, 29230), (4810, 18881), (5135, 17686), (5846, 15535), (6214, 14615), (8843, 10270)]