299339720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1481}}^1$

素因数の和:1686

約数の個数: 64

約数和(自身を含む): 699978240

約数和(自身を除く): 400638520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 163, 248, 310, 326, 620, 652, 815, 1240, 1304, 1481, 1630, 2962, 3260, 5053, 5924, 6520, 7405, 10106, 11848, 14810, 20212, 25265, 29620, 40424, 45911, 50530, 59240, 91822, 101060, 183644, 202120, 229555, 241403, 367288, 459110, 482806, 918220, 965612, 1207015, 1836440, 1931224, 2414030, 4828060, 7483493, 9656120, 14966986, 29933972, 37417465, 59867944, 74834930, 149669860, 299339720]

約数ペア:

[(1, 299339720), (2, 149669860), (4, 74834930), (5, 59867944), (8, 37417465), (10, 29933972), (20, 14966986), (31, 9656120), (40, 7483493), (62, 4828060), (124, 2414030), (155, 1931224), (163, 1836440), (248, 1207015), (310, 965612), (326, 918220), (620, 482806), (652, 459110), (815, 367288), (1240, 241403), (1304, 229555), (1481, 202120), (1630, 183644), (2962, 101060), (3260, 91822), (5053, 59240), (5924, 50530), (6520, 45911), (7405, 40424), (10106, 29620), (11848, 25265), (14810, 20212)]