208403790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{1453}}^1$

素因数の和:2153

約数の個数: 64

約数和(自身を含む): 572852736

約数和(自身を除く): 364448946

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 683, 1366, 1453, 2049, 2906, 3415, 4098, 4359, 4781, 6830, 7265, 8718, 9562, 10171, 10245, 14343, 14530, 20342, 20490, 21795, 23905, 28686, 30513, 43590, 47810, 50855, 61026, 71715, 101710, 143430, 152565, 305130, 992399, 1984798, 2977197, 4961995, 5954394, 6946793, 9923990, 13893586, 14885985, 20840379, 29771970, 34733965, 41680758, 69467930, 104201895, 208403790]

約数ペア:

[(1, 208403790), (2, 104201895), (3, 69467930), (5, 41680758), (6, 34733965), (7, 29771970), (10, 20840379), (14, 14885985), (15, 13893586), (21, 9923990), (30, 6946793), (35, 5954394), (42, 4961995), (70, 2977197), (105, 1984798), (210, 992399), (683, 305130), (1366, 152565), (1453, 143430), (2049, 101710), (2906, 71715), (3415, 61026), (4098, 50855), (4359, 47810), (4781, 43590), (6830, 30513), (7265, 28686), (8718, 23905), (9562, 21795), (10171, 20490), (10245, 20342), (14343, 14530)]