320207950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{8221}}^1$

素因数の和:8293

約数の個数: 48

約数和(自身を含む): 642302640

約数和(自身を除く): 322094690

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 50, 82, 95, 190, 205, 410, 475, 779, 950, 1025, 1558, 2050, 3895, 7790, 8221, 16442, 19475, 38950, 41105, 82210, 156199, 205525, 312398, 337061, 411050, 674122, 780995, 1561990, 1685305, 3370610, 3904975, 6404159, 7809950, 8426525, 12808318, 16853050, 32020795, 64041590, 160103975, 320207950]

約数ペア:

[(1, 320207950), (2, 160103975), (5, 64041590), (10, 32020795), (19, 16853050), (25, 12808318), (38, 8426525), (41, 7809950), (50, 6404159), (82, 3904975), (95, 3370610), (190, 1685305), (205, 1561990), (410, 780995), (475, 674122), (779, 411050), (950, 337061), (1025, 312398), (1558, 205525), (2050, 156199), (3895, 82210), (7790, 41105), (8221, 38950), (16442, 19475)]