859940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 1989120

約数和(自身を除く): 1129180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 73, 76, 95, 124, 146, 155, 190, 292, 310, 365, 380, 589, 620, 730, 1178, 1387, 1460, 2263, 2356, 2774, 2945, 4526, 5548, 5890, 6935, 9052, 11315, 11780, 13870, 22630, 27740, 42997, 45260, 85994, 171988, 214985, 429970, 859940]

約数ペア:

[(1, 859940), (2, 429970), (4, 214985), (5, 171988), (10, 85994), (19, 45260), (20, 42997), (31, 27740), (38, 22630), (62, 13870), (73, 11780), (76, 11315), (95, 9052), (124, 6935), (146, 5890), (155, 5548), (190, 4526), (292, 2945), (310, 2774), (365, 2356), (380, 2263), (589, 1460), (620, 1387), (730, 1178)]