38833820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 83848800

約数和(自身を除く): 45014980

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 139, 229, 244, 278, 305, 458, 556, 610, 695, 916, 1145, 1220, 1390, 2290, 2780, 4580, 8479, 13969, 16958, 27938, 31831, 33916, 42395, 55876, 63662, 69845, 84790, 127324, 139690, 159155, 169580, 279380, 318310, 636620, 1941691, 3883382, 7766764, 9708455, 19416910, 38833820]

約数ペア:

[(1, 38833820), (2, 19416910), (4, 9708455), (5, 7766764), (10, 3883382), (20, 1941691), (61, 636620), (122, 318310), (139, 279380), (229, 169580), (244, 159155), (278, 139690), (305, 127324), (458, 84790), (556, 69845), (610, 63662), (695, 55876), (916, 42395), (1145, 33916), (1220, 31831), (1390, 27938), (2290, 16958), (2780, 13969), (4580, 8479)]