2009394860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{154807}}^1$

素因数の和:154886

約数の個数: 48

約数和(自身を含む): 4681393920

約数和(自身を除く): 2671999060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 12980, 154807, 309614, 619228, 774035, 1548070, 1702877, 3096140, 3405754, 6811508, 8514385, 9133613, 17028770, 18267226, 34057540, 36534452, 45668065, 91336130, 100469743, 182672260, 200939486, 401878972, 502348715, 1004697430, 2009394860]

約数ペア:

[(1, 2009394860), (2, 1004697430), (4, 502348715), (5, 401878972), (10, 200939486), (11, 182672260), (20, 100469743), (22, 91336130), (44, 45668065), (55, 36534452), (59, 34057540), (110, 18267226), (118, 17028770), (220, 9133613), (236, 8514385), (295, 6811508), (590, 3405754), (649, 3096140), (1180, 1702877), (1298, 1548070), (2596, 774035), (3245, 619228), (6490, 309614), (12980, 154807)]