389726340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{13229}}^1$

素因数の和:13732

約数の個数: 48

約数和(自身を含む): 1093538880

約数和(自身を除く): 703812540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 491, 982, 1473, 1964, 2455, 2946, 4910, 5892, 7365, 9820, 13229, 14730, 26458, 29460, 39687, 52916, 66145, 79374, 132290, 158748, 198435, 264580, 396870, 793740, 6495439, 12990878, 19486317, 25981756, 32477195, 38972634, 64954390, 77945268, 97431585, 129908780, 194863170, 389726340]

約数ペア:

[(1, 389726340), (2, 194863170), (3, 129908780), (4, 97431585), (5, 77945268), (6, 64954390), (10, 38972634), (12, 32477195), (15, 25981756), (20, 19486317), (30, 12990878), (60, 6495439), (491, 793740), (982, 396870), (1473, 264580), (1964, 198435), (2455, 158748), (2946, 132290), (4910, 79374), (5892, 66145), (7365, 52916), (9820, 39687), (13229, 29460), (14730, 26458)]