870845740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:595

約数の個数: 96

約数和(自身を含む): 2000376000

約数和(自身を除く): 1129530260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 179, 205, 340, 349, 358, 410, 697, 698, 716, 820, 895, 1394, 1396, 1745, 1790, 2788, 3043, 3485, 3490, 3580, 5933, 6086, 6970, 6980, 7339, 11866, 12172, 13940, 14309, 14678, 15215, 23732, 28618, 29356, 29665, 30430, 36695, 57236, 59330, 60860, 62471, 71545, 73390, 118660, 124763, 124942, 143090, 146780, 243253, 249526, 249884, 286180, 312355, 486506, 499052, 623815, 624710, 973012, 1062007, 1216265, 1247630, 1249420, 2124014, 2432530, 2495260, 2561311, 4248028, 4865060, 5122622, 5310035, 10245244, 10620070, 12806555, 21240140, 25613110, 43542287, 51226220, 87084574, 174169148, 217711435, 435422870, 870845740]

約数ペア:

[(1, 870845740), (2, 435422870), (4, 217711435), (5, 174169148), (10, 87084574), (17, 51226220), (20, 43542287), (34, 25613110), (41, 21240140), (68, 12806555), (82, 10620070), (85, 10245244), (164, 5310035), (170, 5122622), (179, 4865060), (205, 4248028), (340, 2561311), (349, 2495260), (358, 2432530), (410, 2124014), (697, 1249420), (698, 1247630), (716, 1216265), (820, 1062007), (895, 973012), (1394, 624710), (1396, 623815), (1745, 499052), (1790, 486506), (2788, 312355), (3043, 286180), (3485, 249884), (3490, 249526), (3580, 243253), (5933, 146780), (6086, 143090), (6970, 124942), (6980, 124763), (7339, 118660), (11866, 73390), (12172, 71545), (13940, 62471), (14309, 60860), (14678, 59330), (15215, 57236), (23732, 36695), (28618, 30430), (29356, 29665)]