155800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:76

約数の個数: 48

約数和(自身を含む): 390600

約数和(自身を除く): 234800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 41, 50, 76, 82, 95, 100, 152, 164, 190, 200, 205, 328, 380, 410, 475, 760, 779, 820, 950, 1025, 1558, 1640, 1900, 2050, 3116, 3800, 3895, 4100, 6232, 7790, 8200, 15580, 19475, 31160, 38950, 77900, 155800]

約数ペア:

[(1, 155800), (2, 77900), (4, 38950), (5, 31160), (8, 19475), (10, 15580), (19, 8200), (20, 7790), (25, 6232), (38, 4100), (40, 3895), (41, 3800), (50, 3116), (76, 2050), (82, 1900), (95, 1640), (100, 1558), (152, 1025), (164, 950), (190, 820), (200, 779), (205, 760), (328, 475), (380, 410)]