1388180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2239}}^1$

素因数の和:2279

約数の個数: 24

約数和(自身を含む): 3010560

約数和(自身を除く): 1622380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2239, 4478, 8956, 11195, 22390, 44780, 69409, 138818, 277636, 347045, 694090, 1388180]

約数ペア:

[(1, 1388180), (2, 694090), (4, 347045), (5, 277636), (10, 138818), (20, 69409), (31, 44780), (62, 22390), (124, 11195), (155, 8956), (310, 4478), (620, 2239)]