77903020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2909}}^1$

素因数の和:3034

約数の個数: 48

約数和(自身を含む): 177952320

約数和(自身を除く): 100049300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 1030, 1339, 2060, 2678, 2909, 5356, 5818, 6695, 11636, 13390, 14545, 26780, 29090, 37817, 58180, 75634, 151268, 189085, 299627, 378170, 599254, 756340, 1198508, 1498135, 2996270, 3895151, 5992540, 7790302, 15580604, 19475755, 38951510, 77903020]

約数ペア:

[(1, 77903020), (2, 38951510), (4, 19475755), (5, 15580604), (10, 7790302), (13, 5992540), (20, 3895151), (26, 2996270), (52, 1498135), (65, 1198508), (103, 756340), (130, 599254), (206, 378170), (260, 299627), (412, 189085), (515, 151268), (1030, 75634), (1339, 58180), (2060, 37817), (2678, 29090), (2909, 26780), (5356, 14545), (5818, 13390), (6695, 11636)]