209212500

素因数分解:

$2^2\times 3^1\times 5^5\times 7^1\times {\mathrm{797}}^1$

素因数の和:836

約数の個数: 144

約数和(自身を含む): 698205312

約数和(自身を除く): 488992812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 210, 250, 300, 350, 375, 420, 500, 525, 625, 700, 750, 797, 875, 1050, 1250, 1500, 1594, 1750, 1875, 2100, 2391, 2500, 2625, 3125, 3188, 3500, 3750, 3985, 4375, 4782, 5250, 5579, 6250, 7500, 7970, 8750, 9375, 9564, 10500, 11158, 11955, 12500, 13125, 15940, 16737, 17500, 18750, 19925, 21875, 22316, 23910, 26250, 27895, 33474, 37500, 39850, 43750, 47820, 52500, 55790, 59775, 65625, 66948, 79700, 83685, 87500, 99625, 111580, 119550, 131250, 139475, 167370, 199250, 239100, 262500, 278950, 298875, 334740, 398500, 418425, 498125, 557900, 597750, 697375, 836850, 996250, 1195500, 1394750, 1494375, 1673700, 1992500, 2092125, 2490625, 2789500, 2988750, 3486875, 4184250, 4981250, 5977500, 6973750, 7471875, 8368500, 9962500, 10460625, 13947500, 14943750, 17434375, 20921250, 29887500, 34868750, 41842500, 52303125, 69737500, 104606250, 209212500]

約数ペア:

[(1, 209212500), (2, 104606250), (3, 69737500), (4, 52303125), (5, 41842500), (6, 34868750), (7, 29887500), (10, 20921250), (12, 17434375), (14, 14943750), (15, 13947500), (20, 10460625), (21, 9962500), (25, 8368500), (28, 7471875), (30, 6973750), (35, 5977500), (42, 4981250), (50, 4184250), (60, 3486875), (70, 2988750), (75, 2789500), (84, 2490625), (100, 2092125), (105, 1992500), (125, 1673700), (140, 1494375), (150, 1394750), (175, 1195500), (210, 996250), (250, 836850), (300, 697375), (350, 597750), (375, 557900), (420, 498125), (500, 418425), (525, 398500), (625, 334740), (700, 298875), (750, 278950), (797, 262500), (875, 239100), (1050, 199250), (1250, 167370), (1500, 139475), (1594, 131250), (1750, 119550), (1875, 111580), (2100, 99625), (2391, 87500), (2500, 83685), (2625, 79700), (3125, 66948), (3188, 65625), (3500, 59775), (3750, 55790), (3985, 52500), (4375, 47820), (4782, 43750), (5250, 39850), (5579, 37500), (6250, 33474), (7500, 27895), (7970, 26250), (8750, 23910), (9375, 22316), (9564, 21875), (10500, 19925), (11158, 18750), (11955, 17500), (12500, 16737), (13125, 15940)]