2941900

素因数分解:

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

素因数の和:131

約数の個数: 72

約数和(自身を含む): 7193984

約数和(自身を除く): 4252084

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 73, 100, 124, 130, 146, 155, 260, 292, 310, 325, 365, 403, 620, 650, 730, 775, 806, 949, 1300, 1460, 1550, 1612, 1825, 1898, 2015, 2263, 3100, 3650, 3796, 4030, 4526, 4745, 7300, 8060, 9052, 9490, 10075, 11315, 18980, 20150, 22630, 23725, 29419, 40300, 45260, 47450, 56575, 58838, 94900, 113150, 117676, 147095, 226300, 294190, 588380, 735475, 1470950, 2941900]

約数ペア:

[(1, 2941900), (2, 1470950), (4, 735475), (5, 588380), (10, 294190), (13, 226300), (20, 147095), (25, 117676), (26, 113150), (31, 94900), (50, 58838), (52, 56575), (62, 47450), (65, 45260), (73, 40300), (100, 29419), (124, 23725), (130, 22630), (146, 20150), (155, 18980), (260, 11315), (292, 10075), (310, 9490), (325, 9052), (365, 8060), (403, 7300), (620, 4745), (650, 4526), (730, 4030), (775, 3796), (806, 3650), (949, 3100), (1300, 2263), (1460, 2015), (1550, 1898), (1612, 1825)]