388614540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{20693}}^1$

素因数の和:21018

約数の個数: 48

約数和(自身を含む): 1091649888

約数和(自身を除く): 703035348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313, 626, 939, 1252, 1565, 1878, 3130, 3756, 4695, 6260, 9390, 18780, 20693, 41386, 62079, 82772, 103465, 124158, 206930, 248316, 310395, 413860, 620790, 1241580, 6476909, 12953818, 19430727, 25907636, 32384545, 38861454, 64769090, 77722908, 97153635, 129538180, 194307270, 388614540]

約数ペア:

[(1, 388614540), (2, 194307270), (3, 129538180), (4, 97153635), (5, 77722908), (6, 64769090), (10, 38861454), (12, 32384545), (15, 25907636), (20, 19430727), (30, 12953818), (60, 6476909), (313, 1241580), (626, 620790), (939, 413860), (1252, 310395), (1565, 248316), (1878, 206930), (3130, 124158), (3756, 103465), (4695, 82772), (6260, 62079), (9390, 41386), (18780, 20693)]