249280

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:77

約数の個数: 56

約数和(自身を含む): 640080

約数和(自身を除く): 390800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 152, 160, 164, 190, 205, 304, 320, 328, 380, 410, 608, 656, 760, 779, 820, 1216, 1312, 1520, 1558, 1640, 2624, 3040, 3116, 3280, 3895, 6080, 6232, 6560, 7790, 12464, 13120, 15580, 24928, 31160, 49856, 62320, 124640, 249280]

約数ペア:

[(1, 249280), (2, 124640), (4, 62320), (5, 49856), (8, 31160), (10, 24928), (16, 15580), (19, 13120), (20, 12464), (32, 7790), (38, 6560), (40, 6232), (41, 6080), (64, 3895), (76, 3280), (80, 3116), (82, 3040), (95, 2624), (152, 1640), (160, 1558), (164, 1520), (190, 1312), (205, 1216), (304, 820), (320, 779), (328, 760), (380, 656), (410, 608)]