42951740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^2$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 101662848

約数和(自身を除く): 58711108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 73, 124, 130, 146, 155, 260, 292, 310, 365, 403, 620, 730, 806, 949, 1460, 1612, 1898, 2015, 2263, 3796, 4030, 4526, 4745, 5329, 8060, 9052, 9490, 10658, 11315, 18980, 21316, 22630, 26645, 29419, 45260, 53290, 58838, 69277, 106580, 117676, 138554, 147095, 165199, 277108, 294190, 330398, 346385, 588380, 660796, 692770, 825995, 1385540, 1651990, 2147587, 3303980, 4295174, 8590348, 10737935, 21475870, 42951740]

約数ペア:

[(1, 42951740), (2, 21475870), (4, 10737935), (5, 8590348), (10, 4295174), (13, 3303980), (20, 2147587), (26, 1651990), (31, 1385540), (52, 825995), (62, 692770), (65, 660796), (73, 588380), (124, 346385), (130, 330398), (146, 294190), (155, 277108), (260, 165199), (292, 147095), (310, 138554), (365, 117676), (403, 106580), (620, 69277), (730, 58838), (806, 53290), (949, 45260), (1460, 29419), (1612, 26645), (1898, 22630), (2015, 21316), (2263, 18980), (3796, 11315), (4030, 10658), (4526, 9490), (4745, 9052), (5329, 8060)]