120555820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{78283}}^1$

素因数の和:78310

約数の個数: 48

約数和(自身を含む): 315641088

約数和(自身を除く): 195085268

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 78283, 156566, 313132, 391415, 547981, 782830, 861113, 1095962, 1565660, 1722226, 2191924, 2739905, 3444452, 4305565, 5479810, 6027791, 8611130, 10959620, 12055582, 17222260, 24111164, 30138955, 60277910, 120555820]

約数ペア:

[(1, 120555820), (2, 60277910), (4, 30138955), (5, 24111164), (7, 17222260), (10, 12055582), (11, 10959620), (14, 8611130), (20, 6027791), (22, 5479810), (28, 4305565), (35, 3444452), (44, 2739905), (55, 2191924), (70, 1722226), (77, 1565660), (110, 1095962), (140, 861113), (154, 782830), (220, 547981), (308, 391415), (385, 313132), (770, 156566), (1540, 78283)]