87602020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 216639360

約数和(自身を除く): 129037340

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 59, 68, 85, 110, 118, 170, 187, 220, 236, 295, 340, 374, 397, 590, 649, 748, 794, 935, 1003, 1180, 1298, 1588, 1870, 1985, 2006, 2596, 3245, 3740, 3970, 4012, 4367, 5015, 6490, 6749, 7940, 8734, 10030, 11033, 12980, 13498, 17468, 20060, 21835, 22066, 23423, 26996, 33745, 43670, 44132, 46846, 55165, 67490, 74239, 87340, 93692, 110330, 117115, 134980, 148478, 220660, 234230, 257653, 296956, 371195, 398191, 468460, 515306, 742390, 796382, 1030612, 1288265, 1484780, 1592764, 1990955, 2576530, 3981910, 4380101, 5153060, 7963820, 8760202, 17520404, 21900505, 43801010, 87602020]

約数ペア:

[(1, 87602020), (2, 43801010), (4, 21900505), (5, 17520404), (10, 8760202), (11, 7963820), (17, 5153060), (20, 4380101), (22, 3981910), (34, 2576530), (44, 1990955), (55, 1592764), (59, 1484780), (68, 1288265), (85, 1030612), (110, 796382), (118, 742390), (170, 515306), (187, 468460), (220, 398191), (236, 371195), (295, 296956), (340, 257653), (374, 234230), (397, 220660), (590, 148478), (649, 134980), (748, 117115), (794, 110330), (935, 93692), (1003, 87340), (1180, 74239), (1298, 67490), (1588, 55165), (1870, 46846), (1985, 44132), (2006, 43670), (2596, 33745), (3245, 26996), (3740, 23423), (3970, 22066), (4012, 21835), (4367, 20060), (5015, 17468), (6490, 13498), (6749, 12980), (7940, 11033), (8734, 10030)]