68820050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{443}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 138741120

約数和(自身を除く): 69921070

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 239, 325, 443, 478, 650, 886, 1195, 2215, 2390, 3107, 4430, 5759, 5975, 6214, 11075, 11518, 11950, 15535, 22150, 28795, 31070, 57590, 77675, 105877, 143975, 155350, 211754, 287950, 529385, 1058770, 1376401, 2646925, 2752802, 5293850, 6882005, 13764010, 34410025, 68820050]

約数ペア:

[(1, 68820050), (2, 34410025), (5, 13764010), (10, 6882005), (13, 5293850), (25, 2752802), (26, 2646925), (50, 1376401), (65, 1058770), (130, 529385), (239, 287950), (325, 211754), (443, 155350), (478, 143975), (650, 105877), (886, 77675), (1195, 57590), (2215, 31070), (2390, 28795), (3107, 22150), (4430, 15535), (5759, 11950), (5975, 11518), (6214, 11075)]