339074920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 823011840

約数和(自身を除く): 483936920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 53, 82, 83, 94, 106, 164, 166, 188, 205, 212, 235, 265, 328, 332, 376, 410, 415, 424, 470, 530, 664, 820, 830, 940, 1060, 1640, 1660, 1880, 1927, 2120, 2173, 2491, 3320, 3403, 3854, 3901, 4346, 4399, 4982, 6806, 7708, 7802, 8692, 8798, 9635, 9964, 10865, 12455, 13612, 15416, 15604, 17015, 17384, 17596, 19270, 19505, 19928, 21730, 21995, 24910, 27224, 31208, 34030, 35192, 38540, 39010, 43460, 43990, 49820, 68060, 77080, 78020, 86920, 87980, 99640, 102131, 136120, 156040, 159941, 175960, 180359, 204262, 206753, 319882, 360718, 408524, 413506, 510655, 639764, 721436, 799705, 817048, 827012, 901795, 1021310, 1033765, 1279528, 1442872, 1599410, 1654024, 1803590, 2042620, 2067530, 3198820, 3607180, 4085240, 4135060, 6397640, 7214360, 8270120, 8476873, 16953746, 33907492, 42384365, 67814984, 84768730, 169537460, 339074920]

約数ペア:

[(1, 339074920), (2, 169537460), (4, 84768730), (5, 67814984), (8, 42384365), (10, 33907492), (20, 16953746), (40, 8476873), (41, 8270120), (47, 7214360), (53, 6397640), (82, 4135060), (83, 4085240), (94, 3607180), (106, 3198820), (164, 2067530), (166, 2042620), (188, 1803590), (205, 1654024), (212, 1599410), (235, 1442872), (265, 1279528), (328, 1033765), (332, 1021310), (376, 901795), (410, 827012), (415, 817048), (424, 799705), (470, 721436), (530, 639764), (664, 510655), (820, 413506), (830, 408524), (940, 360718), (1060, 319882), (1640, 206753), (1660, 204262), (1880, 180359), (1927, 175960), (2120, 159941), (2173, 156040), (2491, 136120), (3320, 102131), (3403, 99640), (3854, 87980), (3901, 86920), (4346, 78020), (4399, 77080), (4982, 68060), (6806, 49820), (7708, 43990), (7802, 43460), (8692, 39010), (8798, 38540), (9635, 35192), (9964, 34030), (10865, 31208), (12455, 27224), (13612, 24910), (15416, 21995), (15604, 21730), (17015, 19928), (17384, 19505), (17596, 19270)]