31218220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3461}}^1$

素因数の和:3522

約数の個数: 48

約数和(自身を含む): 73283616

約数和(自身を除く): 42065396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 3461, 4510, 6922, 9020, 13844, 17305, 34610, 38071, 69220, 76142, 141901, 152284, 190355, 283802, 380710, 567604, 709505, 761420, 1419010, 1560911, 2838020, 3121822, 6243644, 7804555, 15609110, 31218220]

約数ペア:

[(1, 31218220), (2, 15609110), (4, 7804555), (5, 6243644), (10, 3121822), (11, 2838020), (20, 1560911), (22, 1419010), (41, 761420), (44, 709505), (55, 567604), (82, 380710), (110, 283802), (164, 190355), (205, 152284), (220, 141901), (410, 76142), (451, 69220), (820, 38071), (902, 34610), (1804, 17305), (2255, 13844), (3461, 9020), (4510, 6922)]