154400740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{2663}}^1$

素因数の和:2908

約数の個数: 48

約数和(自身を含む): 350880768

約数和(自身を除く): 196480028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 446, 892, 1115, 2230, 2663, 2899, 4460, 5326, 5798, 10652, 11596, 13315, 14495, 26630, 28990, 34619, 53260, 57980, 69238, 138476, 173095, 346190, 593849, 692380, 1187698, 2375396, 2969245, 5938490, 7720037, 11876980, 15440074, 30880148, 38600185, 77200370, 154400740]

約数ペア:

[(1, 154400740), (2, 77200370), (4, 38600185), (5, 30880148), (10, 15440074), (13, 11876980), (20, 7720037), (26, 5938490), (52, 2969245), (65, 2375396), (130, 1187698), (223, 692380), (260, 593849), (446, 346190), (892, 173095), (1115, 138476), (2230, 69238), (2663, 57980), (2899, 53260), (4460, 34619), (5326, 28990), (5798, 26630), (10652, 14495), (11596, 13315)]