490477120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{218963}}^1$

素因数の和:218987

約数の個数: 56

約数和(自身を含む): 1334804544

約数和(自身を除く): 844327424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 218963, 437926, 875852, 1094815, 1532741, 1751704, 2189630, 3065482, 3503408, 4379260, 6130964, 7006816, 7663705, 8758520, 12261928, 14013632, 15327410, 17517040, 24523856, 30654820, 35034080, 49047712, 61309640, 70068160, 98095424, 122619280, 245238560, 490477120]

約数ペア:

[(1, 490477120), (2, 245238560), (4, 122619280), (5, 98095424), (7, 70068160), (8, 61309640), (10, 49047712), (14, 35034080), (16, 30654820), (20, 24523856), (28, 17517040), (32, 15327410), (35, 14013632), (40, 12261928), (56, 8758520), (64, 7663705), (70, 7006816), (80, 6130964), (112, 4379260), (140, 3503408), (160, 3065482), (224, 2189630), (280, 1751704), (320, 1532741), (448, 1094815), (560, 875852), (1120, 437926), (2240, 218963)]