42158140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{701}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 92461824

約数和(自身を除く): 50303684

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 701, 970, 1402, 1940, 2804, 3007, 3505, 6014, 7010, 12028, 14020, 15035, 21731, 30070, 43462, 60140, 67997, 86924, 108655, 135994, 217310, 271988, 339985, 434620, 679970, 1359940, 2107907, 4215814, 8431628, 10539535, 21079070, 42158140]

約数ペア:

[(1, 42158140), (2, 21079070), (4, 10539535), (5, 8431628), (10, 4215814), (20, 2107907), (31, 1359940), (62, 679970), (97, 434620), (124, 339985), (155, 271988), (194, 217310), (310, 135994), (388, 108655), (485, 86924), (620, 67997), (701, 60140), (970, 43462), (1402, 30070), (1940, 21731), (2804, 15035), (3007, 14020), (3505, 12028), (6014, 7010)]