78391670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1019}}^1$

素因数の和:1197

約数の個数: 48

約数和(自身を含む): 165350160

約数和(自身を除く): 86958490

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 157, 245, 314, 490, 785, 1019, 1099, 1570, 2038, 2198, 5095, 5495, 7133, 7693, 10190, 10990, 14266, 15386, 35665, 38465, 49931, 71330, 76930, 99862, 159983, 249655, 319966, 499310, 799915, 1119881, 1599830, 2239762, 5599405, 7839167, 11198810, 15678334, 39195835, 78391670]

約数ペア:

[(1, 78391670), (2, 39195835), (5, 15678334), (7, 11198810), (10, 7839167), (14, 5599405), (35, 2239762), (49, 1599830), (70, 1119881), (98, 799915), (157, 499310), (245, 319966), (314, 249655), (490, 159983), (785, 99862), (1019, 76930), (1099, 71330), (1570, 49931), (2038, 38465), (2198, 35665), (5095, 15386), (5495, 14266), (7133, 10990), (7693, 10190)]