195276640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:672

約数の個数: 96

約数和(自身を含む): 500242176

約数和(自身を除く): 304965536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 223, 260, 416, 421, 446, 520, 842, 892, 1040, 1115, 1684, 1784, 2080, 2105, 2230, 2899, 3368, 3568, 4210, 4460, 5473, 5798, 6736, 7136, 8420, 8920, 10946, 11596, 13472, 14495, 16840, 17840, 21892, 23192, 27365, 28990, 33680, 35680, 43784, 46384, 54730, 57980, 67360, 87568, 92768, 93883, 109460, 115960, 175136, 187766, 218920, 231920, 375532, 437840, 463840, 469415, 751064, 875680, 938830, 1220479, 1502128, 1877660, 2440958, 3004256, 3755320, 4881916, 6102395, 7510640, 9763832, 12204790, 15021280, 19527664, 24409580, 39055328, 48819160, 97638320, 195276640]

約数ペア:

[(1, 195276640), (2, 97638320), (4, 48819160), (5, 39055328), (8, 24409580), (10, 19527664), (13, 15021280), (16, 12204790), (20, 9763832), (26, 7510640), (32, 6102395), (40, 4881916), (52, 3755320), (65, 3004256), (80, 2440958), (104, 1877660), (130, 1502128), (160, 1220479), (208, 938830), (223, 875680), (260, 751064), (416, 469415), (421, 463840), (446, 437840), (520, 375532), (842, 231920), (892, 218920), (1040, 187766), (1115, 175136), (1684, 115960), (1784, 109460), (2080, 93883), (2105, 92768), (2230, 87568), (2899, 67360), (3368, 57980), (3568, 54730), (4210, 46384), (4460, 43784), (5473, 35680), (5798, 33680), (6736, 28990), (7136, 27365), (8420, 23192), (8920, 21892), (10946, 17840), (11596, 16840), (13472, 14495)]