678236440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{346039}}^1$

素因数の和:346064

約数の個数: 48

約数和(自身を含む): 1775185200

約数和(自身を除く): 1096948760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 346039, 692078, 1384156, 1730195, 2422273, 2768312, 3460390, 4844546, 6920780, 9689092, 12111365, 13841560, 16955911, 19378184, 24222730, 33911822, 48445460, 67823644, 84779555, 96890920, 135647288, 169559110, 339118220, 678236440]

約数ペア:

[(1, 678236440), (2, 339118220), (4, 169559110), (5, 135647288), (7, 96890920), (8, 84779555), (10, 67823644), (14, 48445460), (20, 33911822), (28, 24222730), (35, 19378184), (40, 16955911), (49, 13841560), (56, 12111365), (70, 9689092), (98, 6920780), (140, 4844546), (196, 3460390), (245, 2768312), (280, 2422273), (392, 1730195), (490, 1384156), (980, 692078), (1960, 346039)]