87318700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1579}}^1$

素因数の和:1679

約数の個数: 72

約数和(自身を含む): 219430400

約数和(自身を除く): 132111700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 158, 175, 316, 350, 395, 553, 700, 790, 1106, 1579, 1580, 1975, 2212, 2765, 3158, 3950, 5530, 6316, 7895, 7900, 11053, 11060, 13825, 15790, 22106, 27650, 31580, 39475, 44212, 55265, 55300, 78950, 110530, 124741, 157900, 221060, 249482, 276325, 498964, 552650, 623705, 873187, 1105300, 1247410, 1746374, 2494820, 3118525, 3492748, 4365935, 6237050, 8731870, 12474100, 17463740, 21829675, 43659350, 87318700]

約数ペア:

[(1, 87318700), (2, 43659350), (4, 21829675), (5, 17463740), (7, 12474100), (10, 8731870), (14, 6237050), (20, 4365935), (25, 3492748), (28, 3118525), (35, 2494820), (50, 1746374), (70, 1247410), (79, 1105300), (100, 873187), (140, 623705), (158, 552650), (175, 498964), (316, 276325), (350, 249482), (395, 221060), (553, 157900), (700, 124741), (790, 110530), (1106, 78950), (1579, 55300), (1580, 55265), (1975, 44212), (2212, 39475), (2765, 31580), (3158, 27650), (3950, 22106), (5530, 15790), (6316, 13825), (7895, 11060), (7900, 11053)]