218970920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{2467}}^1$

素因数の和:2802

約数の個数: 64

約数和(自身を含む): 565073280

約数和(自身を除く): 346102360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 317, 634, 1268, 1585, 2219, 2467, 2536, 3170, 4438, 4934, 6340, 8876, 9868, 11095, 12335, 12680, 17269, 17752, 19736, 22190, 24670, 34538, 44380, 49340, 69076, 86345, 88760, 98680, 138152, 172690, 345380, 690760, 782039, 1564078, 3128156, 3910195, 5474273, 6256312, 7820390, 10948546, 15640780, 21897092, 27371365, 31281560, 43794184, 54742730, 109485460, 218970920]

約数ペア:

[(1, 218970920), (2, 109485460), (4, 54742730), (5, 43794184), (7, 31281560), (8, 27371365), (10, 21897092), (14, 15640780), (20, 10948546), (28, 7820390), (35, 6256312), (40, 5474273), (56, 3910195), (70, 3128156), (140, 1564078), (280, 782039), (317, 690760), (634, 345380), (1268, 172690), (1585, 138152), (2219, 98680), (2467, 88760), (2536, 86345), (3170, 69076), (4438, 49340), (4934, 44380), (6340, 34538), (8876, 24670), (9868, 22190), (11095, 19736), (12335, 17752), (12680, 17269)]