4450871980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{55511}}^1$

素因数の和:55750

約数の個数: 48

約数和(自身を含む): 9885576960

約数和(自身を除く): 5434704980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 211, 380, 422, 844, 1055, 2110, 4009, 4220, 8018, 16036, 20045, 40090, 55511, 80180, 111022, 222044, 277555, 555110, 1054709, 1110220, 2109418, 4218836, 5273545, 10547090, 11712821, 21094180, 23425642, 46851284, 58564105, 117128210, 222543599, 234256420, 445087198, 890174396, 1112717995, 2225435990, 4450871980]

約数ペア:

[(1, 4450871980), (2, 2225435990), (4, 1112717995), (5, 890174396), (10, 445087198), (19, 234256420), (20, 222543599), (38, 117128210), (76, 58564105), (95, 46851284), (190, 23425642), (211, 21094180), (380, 11712821), (422, 10547090), (844, 5273545), (1055, 4218836), (2110, 2109418), (4009, 1110220), (4220, 1054709), (8018, 555110), (16036, 277555), (20045, 222044), (40090, 111022), (55511, 80180)]