1901560

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 4322160

約数和(自身を除く): 2420600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 347, 548, 685, 694, 1096, 1370, 1388, 1735, 2740, 2776, 3470, 5480, 6940, 13880, 47539, 95078, 190156, 237695, 380312, 475390, 950780, 1901560]

約数ペア:

[(1, 1901560), (2, 950780), (4, 475390), (5, 380312), (8, 237695), (10, 190156), (20, 95078), (40, 47539), (137, 13880), (274, 6940), (347, 5480), (548, 3470), (685, 2776), (694, 2740), (1096, 1735), (1370, 1388)]