17445705980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1\times {\mathrm{31019}}^1$

素因数の和:31550

約数の個数: 48

約数和(自身を含む): 37318548960

約数和(自身を除く): 19872842980

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 461, 610, 922, 1220, 1844, 2305, 4610, 9220, 28121, 31019, 56242, 62038, 112484, 124076, 140605, 155095, 281210, 310190, 562420, 620380, 1892159, 3784318, 7568636, 9460795, 14299759, 18921590, 28599518, 37843180, 57199036, 71498795, 142997590, 285995180, 872285299, 1744570598, 3489141196, 4361426495, 8722852990, 17445705980]

約数ペア:

[(1, 17445705980), (2, 8722852990), (4, 4361426495), (5, 3489141196), (10, 1744570598), (20, 872285299), (61, 285995180), (122, 142997590), (244, 71498795), (305, 57199036), (461, 37843180), (610, 28599518), (922, 18921590), (1220, 14299759), (1844, 9460795), (2305, 7568636), (4610, 3784318), (9220, 1892159), (28121, 620380), (31019, 562420), (56242, 310190), (62038, 281210), (112484, 155095), (124076, 140605)]