1234220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 2878848

約数和(自身を除く): 1644628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 101, 130, 188, 202, 235, 260, 404, 470, 505, 611, 940, 1010, 1222, 1313, 2020, 2444, 2626, 3055, 4747, 5252, 6110, 6565, 9494, 12220, 13130, 18988, 23735, 26260, 47470, 61711, 94940, 123422, 246844, 308555, 617110, 1234220]

約数ペア:

[(1, 1234220), (2, 617110), (4, 308555), (5, 246844), (10, 123422), (13, 94940), (20, 61711), (26, 47470), (47, 26260), (52, 23735), (65, 18988), (94, 13130), (101, 12220), (130, 9494), (188, 6565), (202, 6110), (235, 5252), (260, 4747), (404, 3055), (470, 2626), (505, 2444), (611, 2020), (940, 1313), (1010, 1222)]