8402900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{7639}}^1$

素因数の和:7664

約数の個数: 36

約数和(自身を含む): 19894560

約数和(自身を除く): 11491660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 7639, 15278, 30556, 38195, 76390, 84029, 152780, 168058, 190975, 336116, 381950, 420145, 763900, 840290, 1680580, 2100725, 4201450, 8402900]

約数ペア:

[(1, 8402900), (2, 4201450), (4, 2100725), (5, 1680580), (10, 840290), (11, 763900), (20, 420145), (22, 381950), (25, 336116), (44, 190975), (50, 168058), (55, 152780), (100, 84029), (110, 76390), (220, 38195), (275, 30556), (550, 15278), (1100, 7639)]