77876920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{467}}^1$

素因数の和:868

約数の個数: 64

約数和(自身を含む): 192067200

約数和(自身を除く): 114190280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 379, 440, 467, 758, 934, 1516, 1868, 1895, 2335, 3032, 3736, 3790, 4169, 4670, 5137, 7580, 8338, 9340, 10274, 15160, 16676, 18680, 20548, 20845, 25685, 33352, 41096, 41690, 51370, 83380, 102740, 166760, 176993, 205480, 353986, 707972, 884965, 1415944, 1769930, 1946923, 3539860, 3893846, 7079720, 7787692, 9734615, 15575384, 19469230, 38938460, 77876920]

約数ペア:

[(1, 77876920), (2, 38938460), (4, 19469230), (5, 15575384), (8, 9734615), (10, 7787692), (11, 7079720), (20, 3893846), (22, 3539860), (40, 1946923), (44, 1769930), (55, 1415944), (88, 884965), (110, 707972), (220, 353986), (379, 205480), (440, 176993), (467, 166760), (758, 102740), (934, 83380), (1516, 51370), (1868, 41690), (1895, 41096), (2335, 33352), (3032, 25685), (3736, 20845), (3790, 20548), (4169, 18680), (4670, 16676), (5137, 15160), (7580, 10274), (8338, 9340)]