242497540

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{12487}}^1$

素因数の和:13467

約数の個数: 24

約数和(自身を含む): 509810112

約数和(自身を除く): 267312572

約数列:

[1, 2, 4, 5, 10, 20, 971, 1942, 3884, 4855, 9710, 12487, 19420, 24974, 49948, 62435, 124870, 249740, 12124877, 24249754, 48499508, 60624385, 121248770, 242497540]

約数ペア:

[(1, 242497540), (2, 121248770), (4, 60624385), (5, 48499508), (10, 24249754), (20, 12124877), (971, 249740), (1942, 124870), (3884, 62435), (4855, 49948), (9710, 24974), (12487, 19420)]