2058980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 5515776

約数和(自身を除く): 3456796

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 191, 196, 220, 245, 308, 382, 385, 490, 539, 764, 770, 955, 980, 1078, 1337, 1540, 1910, 2101, 2156, 2674, 2695, 3820, 4202, 5348, 5390, 6685, 8404, 9359, 10505, 10780, 13370, 14707, 18718, 21010, 26740, 29414, 37436, 42020, 46795, 58828, 73535, 93590, 102949, 147070, 187180, 205898, 294140, 411796, 514745, 1029490, 2058980]

約数ペア:

[(1, 2058980), (2, 1029490), (4, 514745), (5, 411796), (7, 294140), (10, 205898), (11, 187180), (14, 147070), (20, 102949), (22, 93590), (28, 73535), (35, 58828), (44, 46795), (49, 42020), (55, 37436), (70, 29414), (77, 26740), (98, 21010), (110, 18718), (140, 14707), (154, 13370), (191, 10780), (196, 10505), (220, 9359), (245, 8404), (308, 6685), (382, 5390), (385, 5348), (490, 4202), (539, 3820), (764, 2695), (770, 2674), (955, 2156), (980, 2101), (1078, 1910), (1337, 1540)]