1388360

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 3180600

約数和(自身を除く): 1792240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 569, 610, 1138, 1220, 2276, 2440, 2845, 4552, 5690, 11380, 22760, 34709, 69418, 138836, 173545, 277672, 347090, 694180, 1388360]

約数ペア:

[(1, 1388360), (2, 694180), (4, 347090), (5, 277672), (8, 173545), (10, 138836), (20, 69418), (40, 34709), (61, 22760), (122, 11380), (244, 5690), (305, 4552), (488, 2845), (569, 2440), (610, 2276), (1138, 1220)]