12821488900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{59167}}^1$

素因数の和:59389

約数の個数: 72

約数和(自身を含む): 30506547456

約数和(自身を除く): 17685058556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 197, 220, 275, 394, 550, 788, 985, 1100, 1970, 2167, 3940, 4334, 4925, 8668, 9850, 10835, 19700, 21670, 43340, 54175, 59167, 108350, 118334, 216700, 236668, 295835, 591670, 650837, 1183340, 1301674, 1479175, 2603348, 2958350, 3254185, 5916700, 6508370, 11655899, 13016740, 16270925, 23311798, 32541850, 46623596, 58279495, 65083700, 116558990, 128214889, 233117980, 256429778, 291397475, 512859556, 582794950, 641074445, 1165589900, 1282148890, 2564297780, 3205372225, 6410744450, 12821488900]

約数ペア:

[(1, 12821488900), (2, 6410744450), (4, 3205372225), (5, 2564297780), (10, 1282148890), (11, 1165589900), (20, 641074445), (22, 582794950), (25, 512859556), (44, 291397475), (50, 256429778), (55, 233117980), (100, 128214889), (110, 116558990), (197, 65083700), (220, 58279495), (275, 46623596), (394, 32541850), (550, 23311798), (788, 16270925), (985, 13016740), (1100, 11655899), (1970, 6508370), (2167, 5916700), (3940, 3254185), (4334, 2958350), (4925, 2603348), (8668, 1479175), (9850, 1301674), (10835, 1183340), (19700, 650837), (21670, 591670), (43340, 295835), (54175, 236668), (59167, 216700), (108350, 118334)]