1880620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 4883760

約数和(自身を除く): 3003140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 101, 133, 140, 190, 196, 202, 245, 266, 380, 404, 490, 505, 532, 665, 707, 931, 980, 1010, 1330, 1414, 1862, 1919, 2020, 2660, 2828, 3535, 3724, 3838, 4655, 4949, 7070, 7676, 9310, 9595, 9898, 13433, 14140, 18620, 19190, 19796, 24745, 26866, 38380, 49490, 53732, 67165, 94031, 98980, 134330, 188062, 268660, 376124, 470155, 940310, 1880620]

約数ペア:

[(1, 1880620), (2, 940310), (4, 470155), (5, 376124), (7, 268660), (10, 188062), (14, 134330), (19, 98980), (20, 94031), (28, 67165), (35, 53732), (38, 49490), (49, 38380), (70, 26866), (76, 24745), (95, 19796), (98, 19190), (101, 18620), (133, 14140), (140, 13433), (190, 9898), (196, 9595), (202, 9310), (245, 7676), (266, 7070), (380, 4949), (404, 4655), (490, 3838), (505, 3724), (532, 3535), (665, 2828), (707, 2660), (931, 2020), (980, 1919), (1010, 1862), (1330, 1414)]