4269940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 9483264

約数和(自身を除く): 5213324

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 97, 124, 142, 155, 194, 284, 310, 355, 388, 485, 620, 710, 970, 1420, 1940, 2201, 3007, 4402, 6014, 6887, 8804, 11005, 12028, 13774, 15035, 22010, 27548, 30070, 34435, 44020, 60140, 68870, 137740, 213497, 426994, 853988, 1067485, 2134970, 4269940]

約数ペア:

[(1, 4269940), (2, 2134970), (4, 1067485), (5, 853988), (10, 426994), (20, 213497), (31, 137740), (62, 68870), (71, 60140), (97, 44020), (124, 34435), (142, 30070), (155, 27548), (194, 22010), (284, 15035), (310, 13774), (355, 12028), (388, 11005), (485, 8804), (620, 6887), (710, 6014), (970, 4402), (1420, 3007), (1940, 2201)]