2315740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 6032880

約数和(自身を除く): 3717140

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 139, 140, 170, 196, 238, 245, 278, 340, 476, 490, 556, 595, 695, 833, 973, 980, 1190, 1390, 1666, 1946, 2363, 2380, 2780, 3332, 3892, 4165, 4726, 4865, 6811, 8330, 9452, 9730, 11815, 13622, 16541, 16660, 19460, 23630, 27244, 33082, 34055, 47260, 66164, 68110, 82705, 115787, 136220, 165410, 231574, 330820, 463148, 578935, 1157870, 2315740]

約数ペア:

[(1, 2315740), (2, 1157870), (4, 578935), (5, 463148), (7, 330820), (10, 231574), (14, 165410), (17, 136220), (20, 115787), (28, 82705), (34, 68110), (35, 66164), (49, 47260), (68, 34055), (70, 33082), (85, 27244), (98, 23630), (119, 19460), (139, 16660), (140, 16541), (170, 13622), (196, 11815), (238, 9730), (245, 9452), (278, 8330), (340, 6811), (476, 4865), (490, 4726), (556, 4165), (595, 3892), (695, 3332), (833, 2780), (973, 2380), (980, 2363), (1190, 1946), (1390, 1666)]