305188120

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{1453}}^1$

素因数の和:1612

約数の個数: 64

約数和(自身を含む): 706644000

約数和(自身を除く): 401455880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 89, 118, 178, 236, 295, 356, 445, 472, 590, 712, 890, 1180, 1453, 1780, 2360, 2906, 3560, 5251, 5812, 7265, 10502, 11624, 14530, 21004, 26255, 29060, 42008, 52510, 58120, 85727, 105020, 129317, 171454, 210040, 258634, 342908, 428635, 517268, 646585, 685816, 857270, 1034536, 1293170, 1714540, 2586340, 3429080, 5172680, 7629703, 15259406, 30518812, 38148515, 61037624, 76297030, 152594060, 305188120]

約数ペア:

[(1, 305188120), (2, 152594060), (4, 76297030), (5, 61037624), (8, 38148515), (10, 30518812), (20, 15259406), (40, 7629703), (59, 5172680), (89, 3429080), (118, 2586340), (178, 1714540), (236, 1293170), (295, 1034536), (356, 857270), (445, 685816), (472, 646585), (590, 517268), (712, 428635), (890, 342908), (1180, 258634), (1453, 210040), (1780, 171454), (2360, 129317), (2906, 105020), (3560, 85727), (5251, 58120), (5812, 52510), (7265, 42008), (10502, 29060), (11624, 26255), (14530, 21004)]