257882010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{4639}}^1$

素因数の和:4775

約数の個数: 64

約数和(自身を含む): 661478400

約数和(自身を除く): 403596390

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 109, 170, 218, 255, 327, 510, 545, 654, 1090, 1635, 1853, 3270, 3706, 4639, 5559, 9265, 9278, 11118, 13917, 18530, 23195, 27795, 27834, 46390, 55590, 69585, 78863, 139170, 157726, 236589, 394315, 473178, 505651, 788630, 1011302, 1182945, 1516953, 2365890, 2528255, 3033906, 5056510, 7584765, 8596067, 15169530, 17192134, 25788201, 42980335, 51576402, 85960670, 128941005, 257882010]

約数ペア:

[(1, 257882010), (2, 128941005), (3, 85960670), (5, 51576402), (6, 42980335), (10, 25788201), (15, 17192134), (17, 15169530), (30, 8596067), (34, 7584765), (51, 5056510), (85, 3033906), (102, 2528255), (109, 2365890), (170, 1516953), (218, 1182945), (255, 1011302), (327, 788630), (510, 505651), (545, 473178), (654, 394315), (1090, 236589), (1635, 157726), (1853, 139170), (3270, 78863), (3706, 69585), (4639, 55590), (5559, 46390), (9265, 27834), (9278, 27795), (11118, 23195), (13917, 18530)]