90450500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:670

約数の個数: 96

約数和(自身を含む): 231399168

約数和(自身を除く): 140948668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 125, 140, 172, 175, 215, 250, 301, 350, 430, 500, 601, 602, 700, 860, 875, 1075, 1202, 1204, 1505, 1750, 2150, 2404, 3005, 3010, 3500, 4207, 4300, 5375, 6010, 6020, 7525, 8414, 10750, 12020, 15025, 15050, 16828, 21035, 21500, 25843, 30050, 30100, 37625, 42070, 51686, 60100, 75125, 75250, 84140, 103372, 105175, 129215, 150250, 150500, 180901, 210350, 258430, 300500, 361802, 420700, 516860, 525875, 646075, 723604, 904505, 1051750, 1292150, 1809010, 2103500, 2584300, 3230375, 3618020, 4522525, 6460750, 9045050, 12921500, 18090100, 22612625, 45225250, 90450500]

約数ペア:

[(1, 90450500), (2, 45225250), (4, 22612625), (5, 18090100), (7, 12921500), (10, 9045050), (14, 6460750), (20, 4522525), (25, 3618020), (28, 3230375), (35, 2584300), (43, 2103500), (50, 1809010), (70, 1292150), (86, 1051750), (100, 904505), (125, 723604), (140, 646075), (172, 525875), (175, 516860), (215, 420700), (250, 361802), (301, 300500), (350, 258430), (430, 210350), (500, 180901), (601, 150500), (602, 150250), (700, 129215), (860, 105175), (875, 103372), (1075, 84140), (1202, 75250), (1204, 75125), (1505, 60100), (1750, 51686), (2150, 42070), (2404, 37625), (3005, 30100), (3010, 30050), (3500, 25843), (4207, 21500), (4300, 21035), (5375, 16828), (6010, 15050), (6020, 15025), (7525, 12020), (8414, 10750)]