181046440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1129}}^1$

素因数の和:1370

約数の個数: 64

約数和(自身を含む): 431208000

約数和(自身を除く): 250161560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 211, 380, 422, 760, 844, 1055, 1129, 1688, 2110, 2258, 4009, 4220, 4516, 5645, 8018, 8440, 9032, 11290, 16036, 20045, 21451, 22580, 32072, 40090, 42902, 45160, 80180, 85804, 107255, 160360, 171608, 214510, 238219, 429020, 476438, 858040, 952876, 1191095, 1905752, 2382190, 4526161, 4764380, 9052322, 9528760, 18104644, 22630805, 36209288, 45261610, 90523220, 181046440]

約数ペア:

[(1, 181046440), (2, 90523220), (4, 45261610), (5, 36209288), (8, 22630805), (10, 18104644), (19, 9528760), (20, 9052322), (38, 4764380), (40, 4526161), (76, 2382190), (95, 1905752), (152, 1191095), (190, 952876), (211, 858040), (380, 476438), (422, 429020), (760, 238219), (844, 214510), (1055, 171608), (1129, 160360), (1688, 107255), (2110, 85804), (2258, 80180), (4009, 45160), (4220, 42902), (4516, 40090), (5645, 32072), (8018, 22580), (8440, 21451), (9032, 20045), (11290, 16036)]