999328890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{18959}}^1$

素因数の和:19227

約数の個数: 64

約数和(自身を含む): 2752081920

約数和(自身を除く): 1752753030

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 251, 502, 753, 1255, 1506, 1757, 2510, 3514, 3765, 5271, 7530, 8785, 10542, 17570, 18959, 26355, 37918, 52710, 56877, 94795, 113754, 132713, 189590, 265426, 284385, 398139, 568770, 663565, 796278, 1327130, 1990695, 3981390, 4758709, 9517418, 14276127, 23793545, 28552254, 33310963, 47587090, 66621926, 71380635, 99932889, 142761270, 166554815, 199865778, 333109630, 499664445, 999328890]

約数ペア:

[(1, 999328890), (2, 499664445), (3, 333109630), (5, 199865778), (6, 166554815), (7, 142761270), (10, 99932889), (14, 71380635), (15, 66621926), (21, 47587090), (30, 33310963), (35, 28552254), (42, 23793545), (70, 14276127), (105, 9517418), (210, 4758709), (251, 3981390), (502, 1990695), (753, 1327130), (1255, 796278), (1506, 663565), (1757, 568770), (2510, 398139), (3514, 284385), (3765, 265426), (5271, 189590), (7530, 132713), (8785, 113754), (10542, 94795), (17570, 56877), (18959, 52710), (26355, 37918)]