849005220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{401}}^1$

素因数の和:562

約数の個数: 144

約数和(自身を含む): 2762492544

約数和(自身を除く): 1913487324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 401, 420, 426, 497, 710, 802, 852, 994, 1065, 1203, 1420, 1491, 1604, 1988, 2005, 2130, 2406, 2485, 2807, 2982, 4010, 4260, 4812, 4970, 5041, 5614, 5964, 6015, 7455, 8020, 8421, 9940, 10082, 11228, 12030, 14035, 14910, 15123, 16842, 20164, 24060, 25205, 28070, 28471, 29820, 30246, 33684, 35287, 42105, 50410, 56140, 56942, 60492, 70574, 75615, 84210, 85413, 100820, 105861, 113884, 141148, 142355, 151230, 168420, 170826, 176435, 199297, 211722, 284710, 302460, 341652, 352870, 398594, 423444, 427065, 529305, 569420, 597891, 705740, 797188, 854130, 996485, 1058610, 1195782, 1708260, 1992970, 2021441, 2117220, 2391564, 2989455, 3985940, 4042882, 5978910, 6064323, 8085764, 10107205, 11957820, 12128646, 14150087, 20214410, 24257292, 28300174, 30321615, 40428820, 42450261, 56600348, 60643230, 70750435, 84900522, 121286460, 141500870, 169801044, 212251305, 283001740, 424502610, 849005220]

約数ペア:

[(1, 849005220), (2, 424502610), (3, 283001740), (4, 212251305), (5, 169801044), (6, 141500870), (7, 121286460), (10, 84900522), (12, 70750435), (14, 60643230), (15, 56600348), (20, 42450261), (21, 40428820), (28, 30321615), (30, 28300174), (35, 24257292), (42, 20214410), (60, 14150087), (70, 12128646), (71, 11957820), (84, 10107205), (105, 8085764), (140, 6064323), (142, 5978910), (210, 4042882), (213, 3985940), (284, 2989455), (355, 2391564), (401, 2117220), (420, 2021441), (426, 1992970), (497, 1708260), (710, 1195782), (802, 1058610), (852, 996485), (994, 854130), (1065, 797188), (1203, 705740), (1420, 597891), (1491, 569420), (1604, 529305), (1988, 427065), (2005, 423444), (2130, 398594), (2406, 352870), (2485, 341652), (2807, 302460), (2982, 284710), (4010, 211722), (4260, 199297), (4812, 176435), (4970, 170826), (5041, 168420), (5614, 151230), (5964, 142355), (6015, 141148), (7455, 113884), (8020, 105861), (8421, 100820), (9940, 85413), (10082, 84210), (11228, 75615), (12030, 70574), (14035, 60492), (14910, 56942), (15123, 56140), (16842, 50410), (20164, 42105), (24060, 35287), (25205, 33684), (28070, 30246), (28471, 29820)]