170874220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{40879}}^1$

素因数の和:40918

約数の個数: 48

約数和(自身を含む): 412070400

約数和(自身を除く): 241196180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 40879, 81758, 163516, 204395, 408790, 449669, 776701, 817580, 899338, 1553402, 1798676, 2248345, 3106804, 3883505, 4496690, 7767010, 8543711, 8993380, 15534020, 17087422, 34174844, 42718555, 85437110, 170874220]

約数ペア:

[(1, 170874220), (2, 85437110), (4, 42718555), (5, 34174844), (10, 17087422), (11, 15534020), (19, 8993380), (20, 8543711), (22, 7767010), (38, 4496690), (44, 3883505), (55, 3106804), (76, 2248345), (95, 1798676), (110, 1553402), (190, 899338), (209, 817580), (220, 776701), (380, 449669), (418, 408790), (836, 204395), (1045, 163516), (2090, 81758), (4180, 40879)]