163400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:78

約数の個数: 48

約数和(自身を含む): 409200

約数和(自身を除く): 245800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 43, 50, 76, 86, 95, 100, 152, 172, 190, 200, 215, 344, 380, 430, 475, 760, 817, 860, 950, 1075, 1634, 1720, 1900, 2150, 3268, 3800, 4085, 4300, 6536, 8170, 8600, 16340, 20425, 32680, 40850, 81700, 163400]

約数ペア:

[(1, 163400), (2, 81700), (4, 40850), (5, 32680), (8, 20425), (10, 16340), (19, 8600), (20, 8170), (25, 6536), (38, 4300), (40, 4085), (43, 3800), (50, 3268), (76, 2150), (86, 1900), (95, 1720), (100, 1634), (152, 1075), (172, 950), (190, 860), (200, 817), (215, 760), (344, 475), (380, 430)]