208538820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1283}}^1$

素因数の和:1351

約数の個数: 192

約数和(自身を含む): 759306240

約数和(自身を除く): 550767420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 60, 63, 70, 84, 86, 90, 105, 108, 126, 129, 135, 140, 172, 180, 189, 210, 215, 252, 258, 270, 301, 315, 378, 387, 420, 430, 516, 540, 602, 630, 645, 756, 774, 860, 903, 945, 1161, 1204, 1260, 1283, 1290, 1505, 1548, 1806, 1890, 1935, 2322, 2566, 2580, 2709, 3010, 3612, 3780, 3849, 3870, 4515, 4644, 5132, 5418, 5805, 6020, 6415, 7698, 7740, 8127, 8981, 9030, 10836, 11547, 11610, 12830, 13545, 15396, 16254, 17962, 18060, 19245, 23094, 23220, 25660, 26943, 27090, 32508, 34641, 35924, 38490, 40635, 44905, 46188, 53886, 54180, 55169, 57735, 69282, 76980, 80829, 81270, 89810, 107772, 110338, 115470, 134715, 138564, 161658, 162540, 165507, 173205, 179620, 220676, 230940, 242487, 269430, 275845, 323316, 331014, 346410, 386183, 404145, 484974, 496521, 538860, 551690, 662028, 692820, 772366, 808290, 827535, 969948, 993042, 1103380, 1158549, 1212435, 1489563, 1544732, 1616580, 1655070, 1930915, 1986084, 2317098, 2424870, 2482605, 2979126, 3310140, 3475647, 3861830, 4634196, 4849740, 4965210, 5792745, 5958252, 6951294, 7447815, 7723660, 9930420, 10426941, 11585490, 13902588, 14895630, 17378235, 20853882, 23170980, 29791260, 34756470, 41707764, 52134705, 69512940, 104269410, 208538820]

約数ペア:

[(1, 208538820), (2, 104269410), (3, 69512940), (4, 52134705), (5, 41707764), (6, 34756470), (7, 29791260), (9, 23170980), (10, 20853882), (12, 17378235), (14, 14895630), (15, 13902588), (18, 11585490), (20, 10426941), (21, 9930420), (27, 7723660), (28, 7447815), (30, 6951294), (35, 5958252), (36, 5792745), (42, 4965210), (43, 4849740), (45, 4634196), (54, 3861830), (60, 3475647), (63, 3310140), (70, 2979126), (84, 2482605), (86, 2424870), (90, 2317098), (105, 1986084), (108, 1930915), (126, 1655070), (129, 1616580), (135, 1544732), (140, 1489563), (172, 1212435), (180, 1158549), (189, 1103380), (210, 993042), (215, 969948), (252, 827535), (258, 808290), (270, 772366), (301, 692820), (315, 662028), (378, 551690), (387, 538860), (420, 496521), (430, 484974), (516, 404145), (540, 386183), (602, 346410), (630, 331014), (645, 323316), (756, 275845), (774, 269430), (860, 242487), (903, 230940), (945, 220676), (1161, 179620), (1204, 173205), (1260, 165507), (1283, 162540), (1290, 161658), (1505, 138564), (1548, 134715), (1806, 115470), (1890, 110338), (1935, 107772), (2322, 89810), (2566, 81270), (2580, 80829), (2709, 76980), (3010, 69282), (3612, 57735), (3780, 55169), (3849, 54180), (3870, 53886), (4515, 46188), (4644, 44905), (5132, 40635), (5418, 38490), (5805, 35924), (6020, 34641), (6415, 32508), (7698, 27090), (7740, 26943), (8127, 25660), (8981, 23220), (9030, 23094), (10836, 19245), (11547, 18060), (11610, 17962), (12830, 16254), (13545, 15396)]