121776980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4297}}^1$

素因数の和:4428

約数の個数: 48

約数和(自身を含む): 277994640

約数和(自身を除く): 156217660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 4297, 5668, 7085, 8594, 14170, 17188, 21485, 28340, 42970, 55861, 85940, 111722, 223444, 279305, 468373, 558610, 936746, 1117220, 1873492, 2341865, 4683730, 6088849, 9367460, 12177698, 24355396, 30444245, 60888490, 121776980]

約数ペア:

[(1, 121776980), (2, 60888490), (4, 30444245), (5, 24355396), (10, 12177698), (13, 9367460), (20, 6088849), (26, 4683730), (52, 2341865), (65, 1873492), (109, 1117220), (130, 936746), (218, 558610), (260, 468373), (436, 279305), (545, 223444), (1090, 111722), (1417, 85940), (2180, 55861), (2834, 42970), (4297, 28340), (5668, 21485), (7085, 17188), (8594, 14170)]