78726380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{557}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 170989056

約数和(自身を除く): 92262676

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 191, 370, 382, 557, 740, 764, 955, 1114, 1910, 2228, 2785, 3820, 5570, 7067, 11140, 14134, 20609, 28268, 35335, 41218, 70670, 82436, 103045, 106387, 141340, 206090, 212774, 412180, 425548, 531935, 1063870, 2127740, 3936319, 7872638, 15745276, 19681595, 39363190, 78726380]

約数ペア:

[(1, 78726380), (2, 39363190), (4, 19681595), (5, 15745276), (10, 7872638), (20, 3936319), (37, 2127740), (74, 1063870), (148, 531935), (185, 425548), (191, 412180), (370, 212774), (382, 206090), (557, 141340), (740, 106387), (764, 103045), (955, 82436), (1114, 70670), (1910, 41218), (2228, 35335), (2785, 28268), (3820, 20609), (5570, 14134), (7067, 11140)]