399748230

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{211507}}^1$

素因数の和:211530

約数の個数: 64

約数和(自身を含む): 1218286080

約数和(自身を除く): 818537850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 211507, 423014, 634521, 1057535, 1269042, 1480549, 1903563, 2115070, 2961098, 3172605, 3807126, 4441647, 5710689, 6345210, 7402745, 8883294, 9517815, 11421378, 13324941, 14805490, 19035630, 22208235, 26649882, 28553445, 39974823, 44416470, 57106890, 66624705, 79949646, 133249410, 199874115, 399748230]

約数ペア:

[(1, 399748230), (2, 199874115), (3, 133249410), (5, 79949646), (6, 66624705), (7, 57106890), (9, 44416470), (10, 39974823), (14, 28553445), (15, 26649882), (18, 22208235), (21, 19035630), (27, 14805490), (30, 13324941), (35, 11421378), (42, 9517815), (45, 8883294), (54, 7402745), (63, 6345210), (70, 5710689), (90, 4441647), (105, 3807126), (126, 3172605), (135, 2961098), (189, 2115070), (210, 1903563), (270, 1480549), (315, 1269042), (378, 1057535), (630, 634521), (945, 423014), (1890, 211507)]