520068380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{105277}}^1$

素因数の和:105318

約数の個数: 48

約数和(自身を含む): 1238069280

約数和(自身を除く): 718000900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 105277, 210554, 421108, 526385, 1052770, 1368601, 2000263, 2105540, 2737202, 4000526, 5474404, 6843005, 8001052, 10001315, 13686010, 20002630, 26003419, 27372020, 40005260, 52006838, 104013676, 130017095, 260034190, 520068380]

約数ペア:

[(1, 520068380), (2, 260034190), (4, 130017095), (5, 104013676), (10, 52006838), (13, 40005260), (19, 27372020), (20, 26003419), (26, 20002630), (38, 13686010), (52, 10001315), (65, 8001052), (76, 6843005), (95, 5474404), (130, 4000526), (190, 2737202), (247, 2105540), (260, 2000263), (380, 1368601), (494, 1052770), (988, 526385), (1235, 421108), (2470, 210554), (4940, 105277)]