906920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 2419200

約数和(自身を除く): 1512280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 79, 82, 140, 158, 164, 205, 280, 287, 316, 328, 395, 410, 553, 574, 632, 790, 820, 1106, 1148, 1435, 1580, 1640, 2212, 2296, 2765, 2870, 3160, 3239, 4424, 5530, 5740, 6478, 11060, 11480, 12956, 16195, 22120, 22673, 25912, 32390, 45346, 64780, 90692, 113365, 129560, 181384, 226730, 453460, 906920]

約数ペア:

[(1, 906920), (2, 453460), (4, 226730), (5, 181384), (7, 129560), (8, 113365), (10, 90692), (14, 64780), (20, 45346), (28, 32390), (35, 25912), (40, 22673), (41, 22120), (56, 16195), (70, 12956), (79, 11480), (82, 11060), (140, 6478), (158, 5740), (164, 5530), (205, 4424), (280, 3239), (287, 3160), (316, 2870), (328, 2765), (395, 2296), (410, 2212), (553, 1640), (574, 1580), (632, 1435), (790, 1148), (820, 1106)]