134334820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{463}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 287642880

約数和(自身を除く): 153308060

約数列:

[1, 2, 4, 5, 10, 20, 89, 163, 178, 326, 356, 445, 463, 652, 815, 890, 926, 1630, 1780, 1852, 2315, 3260, 4630, 9260, 14507, 29014, 41207, 58028, 72535, 75469, 82414, 145070, 150938, 164828, 206035, 290140, 301876, 377345, 412070, 754690, 824140, 1509380, 6716741, 13433482, 26866964, 33583705, 67167410, 134334820]

約数ペア:

[(1, 134334820), (2, 67167410), (4, 33583705), (5, 26866964), (10, 13433482), (20, 6716741), (89, 1509380), (163, 824140), (178, 754690), (326, 412070), (356, 377345), (445, 301876), (463, 290140), (652, 206035), (815, 164828), (890, 150938), (926, 145070), (1630, 82414), (1780, 75469), (1852, 72535), (2315, 58028), (3260, 41207), (4630, 29014), (9260, 14507)]