259109780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{14411}}^1$

素因数の和:14480

約数の個数: 48

約数和(自身を含む): 581091840

約数和(自身を除く): 321982060

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, 14411, 17980, 28822, 57644, 72055, 144110, 288220, 417919, 446741, 835838, 893482, 1671676, 1786964, 2089595, 2233705, 4179190, 4467410, 8358380, 8934820, 12955489, 25910978, 51821956, 64777445, 129554890, 259109780]

約数ペア:

[(1, 259109780), (2, 129554890), (4, 64777445), (5, 51821956), (10, 25910978), (20, 12955489), (29, 8934820), (31, 8358380), (58, 4467410), (62, 4179190), (116, 2233705), (124, 2089595), (145, 1786964), (155, 1671676), (290, 893482), (310, 835838), (580, 446741), (620, 417919), (899, 288220), (1798, 144110), (3596, 72055), (4495, 57644), (8990, 28822), (14411, 17980)]