16902940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 37154880

約数和(自身を除く): 20251940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 151, 193, 290, 302, 386, 580, 604, 755, 772, 965, 1510, 1930, 3020, 3860, 4379, 5597, 8758, 11194, 17516, 21895, 22388, 27985, 29143, 43790, 55970, 58286, 87580, 111940, 116572, 145715, 291430, 582860, 845147, 1690294, 3380588, 4225735, 8451470, 16902940]

約数ペア:

[(1, 16902940), (2, 8451470), (4, 4225735), (5, 3380588), (10, 1690294), (20, 845147), (29, 582860), (58, 291430), (116, 145715), (145, 116572), (151, 111940), (193, 87580), (290, 58286), (302, 55970), (386, 43790), (580, 29143), (604, 27985), (755, 22388), (772, 21895), (965, 17516), (1510, 11194), (1930, 8758), (3020, 5597), (3860, 4379)]