242556340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{54877}}^1$

素因数の和:54916

約数の個数: 48

約数和(自身を含む): 580828752

約数和(自身を除く): 338272412

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 54877, 109754, 219508, 274385, 548770, 713401, 932909, 1097540, 1426802, 1865818, 2853604, 3567005, 3731636, 4664545, 7134010, 9329090, 12127817, 14268020, 18658180, 24255634, 48511268, 60639085, 121278170, 242556340]

約数ペア:

[(1, 242556340), (2, 121278170), (4, 60639085), (5, 48511268), (10, 24255634), (13, 18658180), (17, 14268020), (20, 12127817), (26, 9329090), (34, 7134010), (52, 4664545), (65, 3731636), (68, 3567005), (85, 2853604), (130, 1865818), (170, 1426802), (221, 1097540), (260, 932909), (340, 713401), (442, 548770), (884, 274385), (1105, 219508), (2210, 109754), (4420, 54877)]