79586220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{189491}}^1$

素因数の和:189510

約数の個数: 48

約数和(自身を含む): 254677248

約数和(自身を除く): 175091028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 189491, 378982, 568473, 757964, 947455, 1136946, 1326437, 1894910, 2273892, 2652874, 2842365, 3789820, 3979311, 5305748, 5684730, 6632185, 7958622, 11369460, 13264370, 15917244, 19896555, 26528740, 39793110, 79586220]

約数ペア:

[(1, 79586220), (2, 39793110), (3, 26528740), (4, 19896555), (5, 15917244), (6, 13264370), (7, 11369460), (10, 7958622), (12, 6632185), (14, 5684730), (15, 5305748), (20, 3979311), (21, 3789820), (28, 2842365), (30, 2652874), (35, 2273892), (42, 1894910), (60, 1326437), (70, 1136946), (84, 947455), (105, 757964), (140, 568473), (210, 378982), (420, 189491)]