84722660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4327}}^1$

素因数の和:4436

約数の個数: 48

約数和(自身を含む): 196318080

約数和(自身を除く): 111595420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4327, 4895, 8654, 9790, 17308, 19580, 21635, 43270, 47597, 86540, 95194, 190388, 237985, 385103, 475970, 770206, 951940, 1540412, 1925515, 3851030, 4236133, 7702060, 8472266, 16944532, 21180665, 42361330, 84722660]

約数ペア:

[(1, 84722660), (2, 42361330), (4, 21180665), (5, 16944532), (10, 8472266), (11, 7702060), (20, 4236133), (22, 3851030), (44, 1925515), (55, 1540412), (89, 951940), (110, 770206), (178, 475970), (220, 385103), (356, 237985), (445, 190388), (890, 95194), (979, 86540), (1780, 47597), (1958, 43270), (3916, 21635), (4327, 19580), (4895, 17308), (8654, 9790)]