139645380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{332489}}^1$

素因数の和:332508

約数の個数: 48

約数和(自身を含む): 446866560

約数和(自身を除く): 307221180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 332489, 664978, 997467, 1329956, 1662445, 1994934, 2327423, 3324890, 3989868, 4654846, 4987335, 6649780, 6982269, 9309692, 9974670, 11637115, 13964538, 19949340, 23274230, 27929076, 34911345, 46548460, 69822690, 139645380]

約数ペア:

[(1, 139645380), (2, 69822690), (3, 46548460), (4, 34911345), (5, 27929076), (6, 23274230), (7, 19949340), (10, 13964538), (12, 11637115), (14, 9974670), (15, 9309692), (20, 6982269), (21, 6649780), (28, 4987335), (30, 4654846), (35, 3989868), (42, 3324890), (60, 2327423), (70, 1994934), (84, 1662445), (105, 1329956), (140, 997467), (210, 664978), (420, 332489)]