179491100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5557}}^1$

素因数の和:5607

約数の個数: 72

約数和(自身を含む): 434190960

約数和(自身を除く): 254699860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 425, 475, 646, 850, 950, 1292, 1615, 1700, 1900, 3230, 5557, 6460, 8075, 11114, 16150, 22228, 27785, 32300, 55570, 94469, 105583, 111140, 138925, 188938, 211166, 277850, 377876, 422332, 472345, 527915, 555700, 944690, 1055830, 1794911, 1889380, 2111660, 2361725, 2639575, 3589822, 4723450, 5279150, 7179644, 8974555, 9446900, 10558300, 17949110, 35898220, 44872775, 89745550, 179491100]

約数ペア:

[(1, 179491100), (2, 89745550), (4, 44872775), (5, 35898220), (10, 17949110), (17, 10558300), (19, 9446900), (20, 8974555), (25, 7179644), (34, 5279150), (38, 4723450), (50, 3589822), (68, 2639575), (76, 2361725), (85, 2111660), (95, 1889380), (100, 1794911), (170, 1055830), (190, 944690), (323, 555700), (340, 527915), (380, 472345), (425, 422332), (475, 377876), (646, 277850), (850, 211166), (950, 188938), (1292, 138925), (1615, 111140), (1700, 105583), (1900, 94469), (3230, 55570), (5557, 32300), (6460, 27785), (8075, 22228), (11114, 16150)]