2904285380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{14969}}^1$

素因数の和:15176

約数の個数: 48

約数和(自身を含む): 6224526000

約数和(自身を除く): 3320240620

約数列:

[1, 2, 4, 5, 10, 20, 89, 109, 178, 218, 356, 436, 445, 545, 890, 1090, 1780, 2180, 9701, 14969, 19402, 29938, 38804, 48505, 59876, 74845, 97010, 149690, 194020, 299380, 1332241, 1631621, 2664482, 3263242, 5328964, 6526484, 6661205, 8158105, 13322410, 16316210, 26644820, 32632420, 145214269, 290428538, 580857076, 726071345, 1452142690, 2904285380]

約数ペア:

[(1, 2904285380), (2, 1452142690), (4, 726071345), (5, 580857076), (10, 290428538), (20, 145214269), (89, 32632420), (109, 26644820), (178, 16316210), (218, 13322410), (356, 8158105), (436, 6661205), (445, 6526484), (545, 5328964), (890, 3263242), (1090, 2664482), (1780, 1631621), (2180, 1332241), (9701, 299380), (14969, 194020), (19402, 149690), (29938, 97010), (38804, 74845), (48505, 59876)]