68519260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 148139712

約数和(自身を除く): 79620452

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 284, 292, 355, 365, 661, 710, 730, 1322, 1420, 1460, 2644, 3305, 5183, 6610, 10366, 13220, 20732, 25915, 46931, 48253, 51830, 93862, 96506, 103660, 187724, 193012, 234655, 241265, 469310, 482530, 938620, 965060, 3425963, 6851926, 13703852, 17129815, 34259630, 68519260]

約数ペア:

[(1, 68519260), (2, 34259630), (4, 17129815), (5, 13703852), (10, 6851926), (20, 3425963), (71, 965060), (73, 938620), (142, 482530), (146, 469310), (284, 241265), (292, 234655), (355, 193012), (365, 187724), (661, 103660), (710, 96506), (730, 93862), (1322, 51830), (1420, 48253), (1460, 46931), (2644, 25915), (3305, 20732), (5183, 13220), (6610, 10366)]