2489209604

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{821}}^1$

素因数の和:1369

約数の個数: 72

約数和(自身を含む): 5247648000

約数和(自身を除く): 2758438396

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 499, 821, 868, 998, 1519, 1642, 1996, 3038, 3284, 3493, 5747, 6076, 6986, 11494, 13972, 15469, 22988, 24451, 25451, 30938, 40229, 48902, 50902, 61876, 80458, 97804, 101804, 108283, 160916, 178157, 216566, 356314, 409679, 433132, 712628, 757981, 819358, 1247099, 1515962, 1638716, 2494198, 2867753, 3031924, 4988396, 5735506, 11471012, 12700049, 20074271, 25400098, 40148542, 50800196, 80297084, 88900343, 177800686, 355601372, 622302401, 1244604802, 2489209604]

約数ペア:

[(1, 2489209604), (2, 1244604802), (4, 622302401), (7, 355601372), (14, 177800686), (28, 88900343), (31, 80297084), (49, 50800196), (62, 40148542), (98, 25400098), (124, 20074271), (196, 12700049), (217, 11471012), (434, 5735506), (499, 4988396), (821, 3031924), (868, 2867753), (998, 2494198), (1519, 1638716), (1642, 1515962), (1996, 1247099), (3038, 819358), (3284, 757981), (3493, 712628), (5747, 433132), (6076, 409679), (6986, 356314), (11494, 216566), (13972, 178157), (15469, 160916), (22988, 108283), (24451, 101804), (25451, 97804), (30938, 80458), (40229, 61876), (48902, 50902)]