64853950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 72

約数和(自身を含む): 142236432

約数和(自身を除く): 77382482

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 103, 175, 206, 245, 257, 350, 490, 514, 515, 721, 1030, 1225, 1285, 1442, 1799, 2450, 2570, 2575, 3598, 3605, 5047, 5150, 6425, 7210, 8995, 10094, 12593, 12850, 17990, 18025, 25186, 25235, 26471, 36050, 44975, 50470, 52942, 62965, 89950, 125930, 126175, 132355, 185297, 252350, 264710, 314825, 370594, 629650, 661775, 926485, 1297079, 1323550, 1852970, 2594158, 4632425, 6485395, 9264850, 12970790, 32426975, 64853950]

約数ペア:

[(1, 64853950), (2, 32426975), (5, 12970790), (7, 9264850), (10, 6485395), (14, 4632425), (25, 2594158), (35, 1852970), (49, 1323550), (50, 1297079), (70, 926485), (98, 661775), (103, 629650), (175, 370594), (206, 314825), (245, 264710), (257, 252350), (350, 185297), (490, 132355), (514, 126175), (515, 125930), (721, 89950), (1030, 62965), (1225, 52942), (1285, 50470), (1442, 44975), (1799, 36050), (2450, 26471), (2570, 25235), (2575, 25186), (3598, 18025), (3605, 17990), (5047, 12850), (5150, 12593), (6425, 10094), (7210, 8995)]