421120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{47}}^1$

素因数の和:75

約数の個数: 72

約数和(自身を含む): 1177344

約数和(自身を除く): 756224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 160, 188, 224, 235, 256, 280, 320, 329, 376, 448, 470, 560, 640, 658, 752, 896, 940, 1120, 1280, 1316, 1504, 1645, 1792, 1880, 2240, 2632, 3008, 3290, 3760, 4480, 5264, 6016, 6580, 7520, 8960, 10528, 12032, 13160, 15040, 21056, 26320, 30080, 42112, 52640, 60160, 84224, 105280, 210560, 421120]

約数ペア:

[(1, 421120), (2, 210560), (4, 105280), (5, 84224), (7, 60160), (8, 52640), (10, 42112), (14, 30080), (16, 26320), (20, 21056), (28, 15040), (32, 13160), (35, 12032), (40, 10528), (47, 8960), (56, 7520), (64, 6580), (70, 6016), (80, 5264), (94, 4480), (112, 3760), (128, 3290), (140, 3008), (160, 2632), (188, 2240), (224, 1880), (235, 1792), (256, 1645), (280, 1504), (320, 1316), (329, 1280), (376, 1120), (448, 940), (470, 896), (560, 752), (640, 658)]