210970900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{163}}^1$

素因数の和:270

約数の個数: 108

約数和(自身を含む): 538944672

約数和(自身を除く): 327973772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 140, 163, 172, 175, 215, 301, 326, 350, 430, 602, 652, 700, 815, 860, 1075, 1141, 1204, 1505, 1630, 1849, 2150, 2282, 3010, 3260, 3698, 4075, 4300, 4564, 5705, 6020, 7009, 7396, 7525, 8150, 9245, 11410, 12943, 14018, 15050, 16300, 18490, 22820, 25886, 28036, 28525, 30100, 35045, 36980, 46225, 49063, 51772, 57050, 64715, 70090, 92450, 98126, 114100, 129430, 140180, 175225, 184900, 196252, 245315, 258860, 301387, 323575, 350450, 490630, 602774, 647150, 700900, 981260, 1205548, 1226575, 1294300, 1506935, 2109709, 2453150, 3013870, 4219418, 4906300, 6027740, 7534675, 8438836, 10548545, 15069350, 21097090, 30138700, 42194180, 52742725, 105485450, 210970900]

約数ペア:

[(1, 210970900), (2, 105485450), (4, 52742725), (5, 42194180), (7, 30138700), (10, 21097090), (14, 15069350), (20, 10548545), (25, 8438836), (28, 7534675), (35, 6027740), (43, 4906300), (50, 4219418), (70, 3013870), (86, 2453150), (100, 2109709), (140, 1506935), (163, 1294300), (172, 1226575), (175, 1205548), (215, 981260), (301, 700900), (326, 647150), (350, 602774), (430, 490630), (602, 350450), (652, 323575), (700, 301387), (815, 258860), (860, 245315), (1075, 196252), (1141, 184900), (1204, 175225), (1505, 140180), (1630, 129430), (1849, 114100), (2150, 98126), (2282, 92450), (3010, 70090), (3260, 64715), (3698, 57050), (4075, 51772), (4300, 49063), (4564, 46225), (5705, 36980), (6020, 35045), (7009, 30100), (7396, 28525), (7525, 28036), (8150, 25886), (9245, 22820), (11410, 18490), (12943, 16300), (14018, 15050)]