208282250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 460961280

約数和(自身を除く): 252679030

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 37, 46, 50, 55, 74, 89, 110, 115, 125, 178, 185, 230, 250, 253, 275, 370, 407, 445, 506, 550, 575, 814, 851, 890, 925, 979, 1150, 1265, 1375, 1702, 1850, 1958, 2035, 2047, 2225, 2530, 2750, 2875, 3293, 4070, 4094, 4255, 4450, 4625, 4895, 5750, 6325, 6586, 8510, 9250, 9361, 9790, 10175, 10235, 11125, 12650, 16465, 18722, 20350, 20470, 21275, 22250, 22517, 24475, 31625, 32930, 36223, 42550, 45034, 46805, 48950, 50875, 51175, 63250, 72446, 75739, 82325, 93610, 101750, 102350, 106375, 112585, 122375, 151478, 164650, 181115, 212750, 225170, 234025, 244750, 255875, 362230, 378695, 411625, 468050, 511750, 562925, 757390, 823250, 833129, 905575, 1125850, 1170125, 1666258, 1811150, 1893475, 2340250, 2814625, 3786950, 4165645, 4527875, 5629250, 8331290, 9055750, 9467375, 18934750, 20828225, 41656450, 104141125, 208282250]

約数ペア:

[(1, 208282250), (2, 104141125), (5, 41656450), (10, 20828225), (11, 18934750), (22, 9467375), (23, 9055750), (25, 8331290), (37, 5629250), (46, 4527875), (50, 4165645), (55, 3786950), (74, 2814625), (89, 2340250), (110, 1893475), (115, 1811150), (125, 1666258), (178, 1170125), (185, 1125850), (230, 905575), (250, 833129), (253, 823250), (275, 757390), (370, 562925), (407, 511750), (445, 468050), (506, 411625), (550, 378695), (575, 362230), (814, 255875), (851, 244750), (890, 234025), (925, 225170), (979, 212750), (1150, 181115), (1265, 164650), (1375, 151478), (1702, 122375), (1850, 112585), (1958, 106375), (2035, 102350), (2047, 101750), (2225, 93610), (2530, 82325), (2750, 75739), (2875, 72446), (3293, 63250), (4070, 51175), (4094, 50875), (4255, 48950), (4450, 46805), (4625, 45034), (4895, 42550), (5750, 36223), (6325, 32930), (6586, 31625), (8510, 24475), (9250, 22517), (9361, 22250), (9790, 21275), (10175, 20470), (10235, 20350), (11125, 18722), (12650, 16465)]