189920450

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{853}}^1$

素因数の和:999

約数の個数: 48

約数和(自身を含む): 364388136

約数和(自身を除く): 174467686

約数列:

[1, 2, 5, 10, 25, 50, 61, 73, 122, 146, 305, 365, 610, 730, 853, 1525, 1706, 1825, 3050, 3650, 4265, 4453, 8530, 8906, 21325, 22265, 42650, 44530, 52033, 62269, 104066, 111325, 124538, 222650, 260165, 311345, 520330, 622690, 1300825, 1556725, 2601650, 3113450, 3798409, 7596818, 18992045, 37984090, 94960225, 189920450]

約数ペア:

[(1, 189920450), (2, 94960225), (5, 37984090), (10, 18992045), (25, 7596818), (50, 3798409), (61, 3113450), (73, 2601650), (122, 1556725), (146, 1300825), (305, 622690), (365, 520330), (610, 311345), (730, 260165), (853, 222650), (1525, 124538), (1706, 111325), (1825, 104066), (3050, 62269), (3650, 52033), (4265, 44530), (4453, 42650), (8530, 22265), (8906, 21325)]