707980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 1834560

約数和(自身を除く): 1126580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 389, 455, 778, 910, 1556, 1820, 1945, 2723, 3890, 5057, 5446, 7780, 10114, 10892, 13615, 20228, 25285, 27230, 35399, 50570, 54460, 70798, 101140, 141596, 176995, 353990, 707980]

約数ペア:

[(1, 707980), (2, 353990), (4, 176995), (5, 141596), (7, 101140), (10, 70798), (13, 54460), (14, 50570), (20, 35399), (26, 27230), (28, 25285), (35, 20228), (52, 13615), (65, 10892), (70, 10114), (91, 7780), (130, 5446), (140, 5057), (182, 3890), (260, 2723), (364, 1945), (389, 1820), (455, 1556), (778, 910)]