639116268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 1802760960

約数和(自身を除く): 1163644692

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 83, 84, 87, 109, 116, 166, 174, 203, 218, 249, 327, 332, 348, 406, 436, 498, 581, 609, 654, 763, 812, 841, 996, 1162, 1218, 1308, 1526, 1682, 1743, 2289, 2324, 2407, 2436, 2523, 3052, 3161, 3364, 3486, 4578, 4814, 5046, 5887, 6322, 6972, 7221, 9047, 9156, 9483, 9628, 10092, 11774, 12644, 14442, 16849, 17661, 18094, 18966, 22127, 23548, 27141, 28884, 33698, 35322, 36188, 37932, 44254, 50547, 54282, 63329, 66381, 67396, 69803, 70644, 88508, 91669, 101094, 108564, 126658, 132762, 139606, 183338, 189987, 202188, 209409, 253316, 262363, 265524, 275007, 279212, 366676, 379974, 418818, 488621, 524726, 550014, 641683, 759948, 787089, 837636, 977242, 1049452, 1100028, 1283366, 1465863, 1574178, 1836541, 1925049, 1954484, 2566732, 2931726, 3148356, 3673082, 3850098, 5509623, 5863452, 7346164, 7608527, 7700196, 11019246, 15217054, 22038492, 22825581, 30434108, 45651162, 53259689, 91302324, 106519378, 159779067, 213038756, 319558134, 639116268]

約数ペア:

[(1, 639116268), (2, 319558134), (3, 213038756), (4, 159779067), (6, 106519378), (7, 91302324), (12, 53259689), (14, 45651162), (21, 30434108), (28, 22825581), (29, 22038492), (42, 15217054), (58, 11019246), (83, 7700196), (84, 7608527), (87, 7346164), (109, 5863452), (116, 5509623), (166, 3850098), (174, 3673082), (203, 3148356), (218, 2931726), (249, 2566732), (327, 1954484), (332, 1925049), (348, 1836541), (406, 1574178), (436, 1465863), (498, 1283366), (581, 1100028), (609, 1049452), (654, 977242), (763, 837636), (812, 787089), (841, 759948), (996, 641683), (1162, 550014), (1218, 524726), (1308, 488621), (1526, 418818), (1682, 379974), (1743, 366676), (2289, 279212), (2324, 275007), (2407, 265524), (2436, 262363), (2523, 253316), (3052, 209409), (3161, 202188), (3364, 189987), (3486, 183338), (4578, 139606), (4814, 132762), (5046, 126658), (5887, 108564), (6322, 101094), (6972, 91669), (7221, 88508), (9047, 70644), (9156, 69803), (9483, 67396), (9628, 66381), (10092, 63329), (11774, 54282), (12644, 50547), (14442, 44254), (16849, 37932), (17661, 36188), (18094, 35322), (18966, 33698), (22127, 28884), (23548, 27141)]