1691980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2729}}^1$

素因数の和:2769

約数の個数: 24

約数和(自身を含む): 3669120

約数和(自身を除く): 1977140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2729, 5458, 10916, 13645, 27290, 54580, 84599, 169198, 338396, 422995, 845990, 1691980]

約数ペア:

[(1, 1691980), (2, 845990), (4, 422995), (5, 338396), (10, 169198), (20, 84599), (31, 54580), (62, 27290), (124, 13645), (155, 10916), (310, 5458), (620, 2729)]