158696780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 385136640

約数和(自身を除く): 226439860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 79, 92, 110, 115, 158, 220, 230, 253, 316, 395, 397, 460, 506, 790, 794, 869, 1012, 1265, 1580, 1588, 1738, 1817, 1985, 2530, 3476, 3634, 3970, 4345, 4367, 5060, 7268, 7940, 8690, 8734, 9085, 9131, 17380, 17468, 18170, 18262, 19987, 21835, 31363, 36340, 36524, 39974, 43670, 45655, 62726, 79948, 87340, 91310, 99935, 100441, 125452, 156815, 182620, 199870, 200882, 313630, 344993, 399740, 401764, 502205, 627260, 689986, 721349, 1004410, 1379972, 1442698, 1724965, 2008820, 2885396, 3449930, 3606745, 6899860, 7213490, 7934839, 14426980, 15869678, 31739356, 39674195, 79348390, 158696780]

約数ペア:

[(1, 158696780), (2, 79348390), (4, 39674195), (5, 31739356), (10, 15869678), (11, 14426980), (20, 7934839), (22, 7213490), (23, 6899860), (44, 3606745), (46, 3449930), (55, 2885396), (79, 2008820), (92, 1724965), (110, 1442698), (115, 1379972), (158, 1004410), (220, 721349), (230, 689986), (253, 627260), (316, 502205), (395, 401764), (397, 399740), (460, 344993), (506, 313630), (790, 200882), (794, 199870), (869, 182620), (1012, 156815), (1265, 125452), (1580, 100441), (1588, 99935), (1738, 91310), (1817, 87340), (1985, 79948), (2530, 62726), (3476, 45655), (3634, 43670), (3970, 39974), (4345, 36524), (4367, 36340), (5060, 31363), (7268, 21835), (7940, 19987), (8690, 18262), (8734, 18170), (9085, 17468), (9131, 17380)]