207111620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{11519}}^1$

素因数の和:11588

約数の個数: 48

約数和(自身を含む): 464486400

約数和(自身を除く): 257374780

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 8990, 11519, 17980, 23038, 46076, 57595, 115190, 230380, 334051, 357089, 668102, 714178, 1336204, 1428356, 1670255, 1785445, 3340510, 3570890, 6681020, 7141780, 10355581, 20711162, 41422324, 51777905, 103555810, 207111620]

約数ペア:

[(1, 207111620), (2, 103555810), (4, 51777905), (5, 41422324), (10, 20711162), (20, 10355581), (29, 7141780), (31, 6681020), (58, 3570890), (62, 3340510), (116, 1785445), (124, 1670255), (145, 1428356), (155, 1336204), (290, 714178), (310, 668102), (580, 357089), (620, 334051), (899, 230380), (1798, 115190), (3596, 57595), (4495, 46076), (8990, 23038), (11519, 17980)]