107878100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{971}}^1$

素因数の和:1097

約数の個数: 72

約数和(自身を含む): 258170976

約数和(自身を除く): 150292876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 101, 110, 202, 220, 275, 404, 505, 550, 971, 1010, 1100, 1111, 1942, 2020, 2222, 2525, 3884, 4444, 4855, 5050, 5555, 9710, 10100, 10681, 11110, 19420, 21362, 22220, 24275, 27775, 42724, 48550, 53405, 55550, 97100, 98071, 106810, 111100, 196142, 213620, 267025, 392284, 490355, 534050, 980710, 1068100, 1078781, 1961420, 2157562, 2451775, 4315124, 4903550, 5393905, 9807100, 10787810, 21575620, 26969525, 53939050, 107878100]

約数ペア:

[(1, 107878100), (2, 53939050), (4, 26969525), (5, 21575620), (10, 10787810), (11, 9807100), (20, 5393905), (22, 4903550), (25, 4315124), (44, 2451775), (50, 2157562), (55, 1961420), (100, 1078781), (101, 1068100), (110, 980710), (202, 534050), (220, 490355), (275, 392284), (404, 267025), (505, 213620), (550, 196142), (971, 111100), (1010, 106810), (1100, 98071), (1111, 97100), (1942, 55550), (2020, 53405), (2222, 48550), (2525, 42724), (3884, 27775), (4444, 24275), (4855, 22220), (5050, 21362), (5555, 19420), (9710, 11110), (10100, 10681)]