72198500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13127}}^1$

素因数の和:13157

約数の個数: 48

約数和(自身を含む): 172029312

約数和(自身を除く): 99830812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 1100, 1375, 2750, 5500, 13127, 26254, 52508, 65635, 131270, 144397, 262540, 288794, 328175, 577588, 656350, 721985, 1312700, 1443970, 1640875, 2887940, 3281750, 3609925, 6563500, 7219850, 14439700, 18049625, 36099250, 72198500]

約数ペア:

[(1, 72198500), (2, 36099250), (4, 18049625), (5, 14439700), (10, 7219850), (11, 6563500), (20, 3609925), (22, 3281750), (25, 2887940), (44, 1640875), (50, 1443970), (55, 1312700), (100, 721985), (110, 656350), (125, 577588), (220, 328175), (250, 288794), (275, 262540), (500, 144397), (550, 131270), (1100, 65635), (1375, 52508), (2750, 26254), (5500, 13127)]