43210000

素因数分解:

$2^4\times 5^4\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 100

約数和(自身を含む): 108949500

約数和(自身を除く): 65739500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 145, 149, 200, 232, 250, 290, 298, 400, 464, 500, 580, 596, 625, 725, 745, 1000, 1160, 1192, 1250, 1450, 1490, 2000, 2320, 2384, 2500, 2900, 2980, 3625, 3725, 4321, 5000, 5800, 5960, 7250, 7450, 8642, 10000, 11600, 11920, 14500, 14900, 17284, 18125, 18625, 21605, 29000, 29800, 34568, 36250, 37250, 43210, 58000, 59600, 69136, 72500, 74500, 86420, 93125, 108025, 145000, 149000, 172840, 186250, 216050, 290000, 298000, 345680, 372500, 432100, 540125, 745000, 864200, 1080250, 1490000, 1728400, 2160500, 2700625, 4321000, 5401250, 8642000, 10802500, 21605000, 43210000]

約数ペア:

[(1, 43210000), (2, 21605000), (4, 10802500), (5, 8642000), (8, 5401250), (10, 4321000), (16, 2700625), (20, 2160500), (25, 1728400), (29, 1490000), (40, 1080250), (50, 864200), (58, 745000), (80, 540125), (100, 432100), (116, 372500), (125, 345680), (145, 298000), (149, 290000), (200, 216050), (232, 186250), (250, 172840), (290, 149000), (298, 145000), (400, 108025), (464, 93125), (500, 86420), (580, 74500), (596, 72500), (625, 69136), (725, 59600), (745, 58000), (1000, 43210), (1160, 37250), (1192, 36250), (1250, 34568), (1450, 29800), (1490, 29000), (2000, 21605), (2320, 18625), (2384, 18125), (2500, 17284), (2900, 14900), (2980, 14500), (3625, 11920), (3725, 11600), (4321, 10000), (5000, 8642), (5800, 7450), (5960, 7250)]