201899740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^2$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 503526240

約数和(自身を除く): 301626500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 223, 290, 406, 446, 580, 812, 892, 1015, 1115, 1561, 2030, 2230, 3122, 4060, 4460, 6244, 6467, 7805, 12934, 15610, 25868, 31220, 32335, 45269, 49729, 64670, 90538, 99458, 129340, 181076, 198916, 226345, 248645, 348103, 452690, 497290, 696206, 905380, 994580, 1392412, 1442141, 1740515, 2884282, 3481030, 5768564, 6962060, 7210705, 10094987, 14421410, 20189974, 28842820, 40379948, 50474935, 100949870, 201899740]

約数ペア:

[(1, 201899740), (2, 100949870), (4, 50474935), (5, 40379948), (7, 28842820), (10, 20189974), (14, 14421410), (20, 10094987), (28, 7210705), (29, 6962060), (35, 5768564), (58, 3481030), (70, 2884282), (116, 1740515), (140, 1442141), (145, 1392412), (203, 994580), (223, 905380), (290, 696206), (406, 497290), (446, 452690), (580, 348103), (812, 248645), (892, 226345), (1015, 198916), (1115, 181076), (1561, 129340), (2030, 99458), (2230, 90538), (3122, 64670), (4060, 49729), (4460, 45269), (6244, 32335), (6467, 31220), (7805, 25868), (12934, 15610)]