9784940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 22740480

約数和(自身を除く): 12955540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 563, 790, 869, 1126, 1580, 1738, 2252, 2815, 3476, 4345, 5630, 6193, 8690, 11260, 12386, 17380, 24772, 30965, 44477, 61930, 88954, 123860, 177908, 222385, 444770, 489247, 889540, 978494, 1956988, 2446235, 4892470, 9784940]

約数ペア:

[(1, 9784940), (2, 4892470), (4, 2446235), (5, 1956988), (10, 978494), (11, 889540), (20, 489247), (22, 444770), (44, 222385), (55, 177908), (79, 123860), (110, 88954), (158, 61930), (220, 44477), (316, 30965), (395, 24772), (563, 17380), (790, 12386), (869, 11260), (1126, 8690), (1580, 6193), (1738, 5630), (2252, 4345), (2815, 3476)]