282520840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2467}}^1$

素因数の和:2894

約数の個数: 64

約数和(自身を含む): 728553600

約数和(自身を除く): 446032760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 409, 818, 1636, 2045, 2467, 2863, 3272, 4090, 4934, 5726, 8180, 9868, 11452, 12335, 14315, 16360, 17269, 19736, 22904, 24670, 28630, 34538, 49340, 57260, 69076, 86345, 98680, 114520, 138152, 172690, 345380, 690760, 1009003, 2018006, 4036012, 5045015, 7063021, 8072024, 10090030, 14126042, 20180060, 28252084, 35315105, 40360120, 56504168, 70630210, 141260420, 282520840]

約数ペア:

[(1, 282520840), (2, 141260420), (4, 70630210), (5, 56504168), (7, 40360120), (8, 35315105), (10, 28252084), (14, 20180060), (20, 14126042), (28, 10090030), (35, 8072024), (40, 7063021), (56, 5045015), (70, 4036012), (140, 2018006), (280, 1009003), (409, 690760), (818, 345380), (1636, 172690), (2045, 138152), (2467, 114520), (2863, 98680), (3272, 86345), (4090, 69076), (4934, 57260), (5726, 49340), (8180, 34538), (9868, 28630), (11452, 24670), (12335, 22904), (14315, 19736), (16360, 17269)]