42008680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{21433}}^1$

素因数の和:21458

約数の個数: 48

約数和(自身を含む): 109956420

約数和(自身を除く): 67947740

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, 21433, 42866, 85732, 107165, 150031, 171464, 214330, 300062, 428660, 600124, 750155, 857320, 1050217, 1200248, 1500310, 2100434, 3000620, 4200868, 5251085, 6001240, 8401736, 10502170, 21004340, 42008680]

約数ペア:

[(1, 42008680), (2, 21004340), (4, 10502170), (5, 8401736), (7, 6001240), (8, 5251085), (10, 4200868), (14, 3000620), (20, 2100434), (28, 1500310), (35, 1200248), (40, 1050217), (49, 857320), (56, 750155), (70, 600124), (98, 428660), (140, 300062), (196, 214330), (245, 171464), (280, 150031), (392, 107165), (490, 85732), (980, 42866), (1960, 21433)]