506156950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9857}}^1$

素因数の和:9961

約数の個数: 48

約数和(自身を含む): 1026809280

約数和(自身を除く): 520652330

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 325, 395, 650, 790, 1027, 1975, 2054, 3950, 5135, 9857, 10270, 19714, 25675, 49285, 51350, 98570, 128141, 246425, 256282, 492850, 640705, 778703, 1281410, 1557406, 3203525, 3893515, 6407050, 7787030, 10123139, 19467575, 20246278, 38935150, 50615695, 101231390, 253078475, 506156950]

約数ペア:

[(1, 506156950), (2, 253078475), (5, 101231390), (10, 50615695), (13, 38935150), (25, 20246278), (26, 19467575), (50, 10123139), (65, 7787030), (79, 6407050), (130, 3893515), (158, 3203525), (325, 1557406), (395, 1281410), (650, 778703), (790, 640705), (1027, 492850), (1975, 256282), (2054, 246425), (3950, 128141), (5135, 98570), (9857, 51350), (10270, 49285), (19714, 25675)]