1026380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 2362080

約数和(自身を除く): 1335700

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 73, 74, 76, 95, 146, 148, 185, 190, 292, 365, 370, 380, 703, 730, 740, 1387, 1406, 1460, 2701, 2774, 2812, 3515, 5402, 5548, 6935, 7030, 10804, 13505, 13870, 14060, 27010, 27740, 51319, 54020, 102638, 205276, 256595, 513190, 1026380]

約数ペア:

[(1, 1026380), (2, 513190), (4, 256595), (5, 205276), (10, 102638), (19, 54020), (20, 51319), (37, 27740), (38, 27010), (73, 14060), (74, 13870), (76, 13505), (95, 10804), (146, 7030), (148, 6935), (185, 5548), (190, 5402), (292, 3515), (365, 2812), (370, 2774), (380, 2701), (703, 1460), (730, 1406), (740, 1387)]