78697780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{853}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 189383040

約数和(自身を除く): 110685260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 659, 853, 1318, 1706, 2636, 3295, 3412, 4265, 4613, 5971, 6590, 8530, 9226, 11942, 13180, 17060, 18452, 23065, 23884, 29855, 46130, 59710, 92260, 119420, 562127, 1124254, 2248508, 2810635, 3934889, 5621270, 7869778, 11242540, 15739556, 19674445, 39348890, 78697780]

約数ペア:

[(1, 78697780), (2, 39348890), (4, 19674445), (5, 15739556), (7, 11242540), (10, 7869778), (14, 5621270), (20, 3934889), (28, 2810635), (35, 2248508), (70, 1124254), (140, 562127), (659, 119420), (853, 92260), (1318, 59710), (1706, 46130), (2636, 29855), (3295, 23884), (3412, 23065), (4265, 18452), (4613, 17060), (5971, 13180), (6590, 11942), (8530, 9226)]