1631567140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{29959}}^1$

素因数の和:30364

約数の個数: 48

約数和(自身を含む): 3925958400

約数和(自身を除く): 2294391260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1556, 1945, 2723, 3890, 5446, 7780, 10892, 13615, 27230, 29959, 54460, 59918, 119836, 149795, 209713, 299590, 419426, 599180, 838852, 1048565, 2097130, 4194260, 11654051, 23308102, 46616204, 58270255, 81578357, 116540510, 163156714, 233081020, 326313428, 407891785, 815783570, 1631567140]

約数ペア:

[(1, 1631567140), (2, 815783570), (4, 407891785), (5, 326313428), (7, 233081020), (10, 163156714), (14, 116540510), (20, 81578357), (28, 58270255), (35, 46616204), (70, 23308102), (140, 11654051), (389, 4194260), (778, 2097130), (1556, 1048565), (1945, 838852), (2723, 599180), (3890, 419426), (5446, 299590), (7780, 209713), (10892, 149795), (13615, 119836), (27230, 59918), (29959, 54460)]