13840220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 30451680

約数和(自身を除く): 16611460

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 74, 118, 148, 185, 236, 295, 317, 370, 590, 634, 740, 1180, 1268, 1585, 2183, 3170, 4366, 6340, 8732, 10915, 11729, 18703, 21830, 23458, 37406, 43660, 46916, 58645, 74812, 93515, 117290, 187030, 234580, 374060, 692011, 1384022, 2768044, 3460055, 6920110, 13840220]

約数ペア:

[(1, 13840220), (2, 6920110), (4, 3460055), (5, 2768044), (10, 1384022), (20, 692011), (37, 374060), (59, 234580), (74, 187030), (118, 117290), (148, 93515), (185, 74812), (236, 58645), (295, 46916), (317, 43660), (370, 37406), (590, 23458), (634, 21830), (740, 18703), (1180, 11729), (1268, 10915), (1585, 8732), (2183, 6340), (3170, 4366)]