8984220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21391}}^1$

素因数の和:21410

約数の個数: 48

約数和(自身を含む): 28750848

約数和(自身を除く): 19766628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 21391, 42782, 64173, 85564, 106955, 128346, 149737, 213910, 256692, 299474, 320865, 427820, 449211, 598948, 641730, 748685, 898422, 1283460, 1497370, 1796844, 2246055, 2994740, 4492110, 8984220]

約数ペア:

[(1, 8984220), (2, 4492110), (3, 2994740), (4, 2246055), (5, 1796844), (6, 1497370), (7, 1283460), (10, 898422), (12, 748685), (14, 641730), (15, 598948), (20, 449211), (21, 427820), (28, 320865), (30, 299474), (35, 256692), (42, 213910), (60, 149737), (70, 128346), (84, 106955), (105, 85564), (140, 64173), (210, 42782), (420, 21391)]