212944940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{2161}}^1$

素因数の和:2562

約数の個数: 48

約数和(自身を含む): 483077280

約数和(自身を除く): 270132340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 758, 1516, 1895, 2161, 3790, 4322, 4927, 7580, 8644, 9854, 10805, 19708, 21610, 24635, 28093, 43220, 49270, 56186, 98540, 112372, 140465, 280930, 561860, 819019, 1638038, 3276076, 4095095, 8190190, 10647247, 16380380, 21294494, 42588988, 53236235, 106472470, 212944940]

約数ペア:

[(1, 212944940), (2, 106472470), (4, 53236235), (5, 42588988), (10, 21294494), (13, 16380380), (20, 10647247), (26, 8190190), (52, 4095095), (65, 3276076), (130, 1638038), (260, 819019), (379, 561860), (758, 280930), (1516, 140465), (1895, 112372), (2161, 98540), (3790, 56186), (4322, 49270), (4927, 43220), (7580, 28093), (8644, 24635), (9854, 21610), (10805, 19708)]