8215460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 19051200

約数和(自身を除く): 10835740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 349, 428, 535, 698, 1070, 1177, 1396, 1745, 2140, 2354, 3490, 3839, 4708, 5885, 6980, 7678, 11770, 15356, 19195, 23540, 37343, 38390, 74686, 76780, 149372, 186715, 373430, 410773, 746860, 821546, 1643092, 2053865, 4107730, 8215460]

約数ペア:

[(1, 8215460), (2, 4107730), (4, 2053865), (5, 1643092), (10, 821546), (11, 746860), (20, 410773), (22, 373430), (44, 186715), (55, 149372), (107, 76780), (110, 74686), (214, 38390), (220, 37343), (349, 23540), (428, 19195), (535, 15356), (698, 11770), (1070, 7678), (1177, 6980), (1396, 5885), (1745, 4708), (2140, 3839), (2354, 3490)]