217423880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6803}}^1$

素因数の和:6878

約数の個数: 64

約数和(自身を含む): 529079040

約数和(自身を除く): 311655160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 3196, 3995, 6392, 6803, 7990, 13606, 15980, 27212, 31960, 34015, 54424, 68030, 115651, 136060, 231302, 272120, 319741, 462604, 578255, 639482, 925208, 1156510, 1278964, 1598705, 2313020, 2557928, 3197410, 4626040, 5435597, 6394820, 10871194, 12789640, 21742388, 27177985, 43484776, 54355970, 108711940, 217423880]

約数ペア:

[(1, 217423880), (2, 108711940), (4, 54355970), (5, 43484776), (8, 27177985), (10, 21742388), (17, 12789640), (20, 10871194), (34, 6394820), (40, 5435597), (47, 4626040), (68, 3197410), (85, 2557928), (94, 2313020), (136, 1598705), (170, 1278964), (188, 1156510), (235, 925208), (340, 639482), (376, 578255), (470, 462604), (680, 319741), (799, 272120), (940, 231302), (1598, 136060), (1880, 115651), (3196, 68030), (3995, 54424), (6392, 34015), (6803, 31960), (7990, 27212), (13606, 15980)]