210782020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{3119}}^1$

素因数の和:3268

約数の個数: 48

約数和(自身を含む): 461260800

約数和(自身を除く): 250478780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 545, 620, 1090, 2180, 3119, 3379, 6238, 6758, 12476, 13516, 15595, 16895, 31190, 33790, 62380, 67580, 96689, 193378, 339971, 386756, 483445, 679942, 966890, 1359884, 1699855, 1933780, 3399710, 6799420, 10539101, 21078202, 42156404, 52695505, 105391010, 210782020]

約数ペア:

[(1, 210782020), (2, 105391010), (4, 52695505), (5, 42156404), (10, 21078202), (20, 10539101), (31, 6799420), (62, 3399710), (109, 1933780), (124, 1699855), (155, 1359884), (218, 966890), (310, 679942), (436, 483445), (545, 386756), (620, 339971), (1090, 193378), (2180, 96689), (3119, 67580), (3379, 62380), (6238, 33790), (6758, 31190), (12476, 16895), (13516, 15595)]