430900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:184

約数の個数: 36

約数和(自身を含む): 972160

約数和(自身を除く): 541260

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 139, 155, 278, 310, 556, 620, 695, 775, 1390, 1550, 2780, 3100, 3475, 4309, 6950, 8618, 13900, 17236, 21545, 43090, 86180, 107725, 215450, 430900]

約数ペア:

[(1, 430900), (2, 215450), (4, 107725), (5, 86180), (10, 43090), (20, 21545), (25, 17236), (31, 13900), (50, 8618), (62, 6950), (100, 4309), (124, 3475), (139, 3100), (155, 2780), (278, 1550), (310, 1390), (556, 775), (620, 695)]