494730860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61381}}^1$

素因数の和:61434

約数の個数: 48

約数和(自身を含む): 1154963712

約数和(自身を除く): 660232852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 61381, 122762, 245524, 306905, 613810, 797953, 1227620, 1595906, 1902811, 3191812, 3805622, 3989765, 7611244, 7979530, 9514055, 15959060, 19028110, 24736543, 38056220, 49473086, 98946172, 123682715, 247365430, 494730860]

約数ペア:

[(1, 494730860), (2, 247365430), (4, 123682715), (5, 98946172), (10, 49473086), (13, 38056220), (20, 24736543), (26, 19028110), (31, 15959060), (52, 9514055), (62, 7979530), (65, 7611244), (124, 3989765), (130, 3805622), (155, 3191812), (260, 1902811), (310, 1595906), (403, 1227620), (620, 797953), (806, 613810), (1612, 306905), (2015, 245524), (4030, 122762), (8060, 61381)]