399137788

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:731

約数の個数: 96

約数和(自身を含む): 891878400

約数和(自身を除く): 492740612

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 41, 58, 76, 82, 116, 133, 164, 203, 266, 287, 406, 532, 551, 574, 631, 779, 812, 1102, 1148, 1189, 1262, 1558, 2204, 2378, 2524, 3116, 3857, 4417, 4756, 5453, 7714, 8323, 8834, 10906, 11989, 15428, 16646, 17668, 18299, 21812, 22591, 23978, 25871, 33292, 36598, 45182, 47956, 51742, 73196, 83923, 90364, 103484, 128093, 158137, 167846, 181097, 256186, 316274, 335692, 347681, 362194, 491549, 512372, 632548, 695362, 724388, 750259, 983098, 1390724, 1500518, 1966196, 2433767, 3001036, 3440843, 4867534, 5251813, 6881686, 9735068, 10503626, 13763372, 14254921, 21007252, 28509842, 57019684, 99784447, 199568894, 399137788]

約数ペア:

[(1, 399137788), (2, 199568894), (4, 99784447), (7, 57019684), (14, 28509842), (19, 21007252), (28, 14254921), (29, 13763372), (38, 10503626), (41, 9735068), (58, 6881686), (76, 5251813), (82, 4867534), (116, 3440843), (133, 3001036), (164, 2433767), (203, 1966196), (266, 1500518), (287, 1390724), (406, 983098), (532, 750259), (551, 724388), (574, 695362), (631, 632548), (779, 512372), (812, 491549), (1102, 362194), (1148, 347681), (1189, 335692), (1262, 316274), (1558, 256186), (2204, 181097), (2378, 167846), (2524, 158137), (3116, 128093), (3857, 103484), (4417, 90364), (4756, 83923), (5453, 73196), (7714, 51742), (8323, 47956), (8834, 45182), (10906, 36598), (11989, 33292), (15428, 25871), (16646, 23978), (17668, 22591), (18299, 21812)]