390939920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17027}}^1$

素因数の和:17088

約数の個数: 80

約数和(自身を含む): 1064181888

約数和(自身を除く): 673241968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 4592, 5740, 11480, 17027, 22960, 34054, 68108, 85135, 119189, 136216, 170270, 238378, 272432, 340540, 476756, 595945, 681080, 698107, 953512, 1191890, 1362160, 1396214, 1907024, 2383780, 2792428, 3490535, 4767560, 4886749, 5584856, 6981070, 9535120, 9773498, 11169712, 13962140, 19546996, 24433745, 27924280, 39093992, 48867490, 55848560, 78187984, 97734980, 195469960, 390939920]

約数ペア:

[(1, 390939920), (2, 195469960), (4, 97734980), (5, 78187984), (7, 55848560), (8, 48867490), (10, 39093992), (14, 27924280), (16, 24433745), (20, 19546996), (28, 13962140), (35, 11169712), (40, 9773498), (41, 9535120), (56, 6981070), (70, 5584856), (80, 4886749), (82, 4767560), (112, 3490535), (140, 2792428), (164, 2383780), (205, 1907024), (280, 1396214), (287, 1362160), (328, 1191890), (410, 953512), (560, 698107), (574, 681080), (656, 595945), (820, 476756), (1148, 340540), (1435, 272432), (1640, 238378), (2296, 170270), (2870, 136216), (3280, 119189), (4592, 85135), (5740, 68108), (11480, 34054), (17027, 22960)]