72740740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1789}}^1$

素因数の和:1924

約数の個数: 48

約数和(自身を含む): 162388800

約数和(自身を除く): 89648060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 380, 428, 535, 1070, 1789, 2033, 2140, 3578, 4066, 7156, 8132, 8945, 10165, 17890, 20330, 33991, 35780, 40660, 67982, 135964, 169955, 191423, 339910, 382846, 679820, 765692, 957115, 1914230, 3637037, 3828460, 7274074, 14548148, 18185185, 36370370, 72740740]

約数ペア:

[(1, 72740740), (2, 36370370), (4, 18185185), (5, 14548148), (10, 7274074), (19, 3828460), (20, 3637037), (38, 1914230), (76, 957115), (95, 765692), (107, 679820), (190, 382846), (214, 339910), (380, 191423), (428, 169955), (535, 135964), (1070, 67982), (1789, 40660), (2033, 35780), (2140, 33991), (3578, 20330), (4066, 17890), (7156, 10165), (8132, 8945)]