78347570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1259}}^1$

素因数の和:1407

約数の個数: 48

約数和(自身を含む): 165473280

約数和(自身を除く): 87125710

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 127, 245, 254, 490, 635, 889, 1259, 1270, 1778, 2518, 4445, 6223, 6295, 8813, 8890, 12446, 12590, 17626, 31115, 44065, 61691, 62230, 88130, 123382, 159893, 308455, 319786, 616910, 799465, 1119251, 1598930, 2238502, 5596255, 7834757, 11192510, 15669514, 39173785, 78347570]

約数ペア:

[(1, 78347570), (2, 39173785), (5, 15669514), (7, 11192510), (10, 7834757), (14, 5596255), (35, 2238502), (49, 1598930), (70, 1119251), (98, 799465), (127, 616910), (245, 319786), (254, 308455), (490, 159893), (635, 123382), (889, 88130), (1259, 62230), (1270, 61691), (1778, 44065), (2518, 31115), (4445, 17626), (6223, 12590), (6295, 12446), (8813, 8890)]