258565730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 498216960

約数和(自身を除く): 239651230

約数列:

[1, 2, 5, 10, 31, 59, 62, 67, 118, 134, 155, 211, 295, 310, 335, 422, 590, 670, 1055, 1829, 2077, 2110, 3658, 3953, 4154, 6541, 7906, 9145, 10385, 12449, 13082, 14137, 18290, 19765, 20770, 24898, 28274, 32705, 39530, 62245, 65410, 70685, 122543, 124490, 141370, 245086, 385919, 438247, 612715, 771838, 834083, 876494, 1225430, 1668166, 1929595, 2191235, 3859190, 4170415, 4382470, 8340830, 25856573, 51713146, 129282865, 258565730]

約数ペア:

[(1, 258565730), (2, 129282865), (5, 51713146), (10, 25856573), (31, 8340830), (59, 4382470), (62, 4170415), (67, 3859190), (118, 2191235), (134, 1929595), (155, 1668166), (211, 1225430), (295, 876494), (310, 834083), (335, 771838), (422, 612715), (590, 438247), (670, 385919), (1055, 245086), (1829, 141370), (2077, 124490), (2110, 122543), (3658, 70685), (3953, 65410), (4154, 62245), (6541, 39530), (7906, 32705), (9145, 28274), (10385, 24898), (12449, 20770), (13082, 19765), (14137, 18290)]