428379210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 192

約数和(自身を含む): 1320344064

約数和(自身を除く): 891964854

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 61, 63, 70, 71, 90, 105, 122, 126, 142, 157, 183, 210, 213, 305, 314, 315, 355, 366, 426, 427, 471, 497, 549, 610, 630, 639, 710, 785, 854, 915, 942, 994, 1065, 1098, 1099, 1278, 1281, 1413, 1491, 1570, 1830, 2130, 2135, 2198, 2355, 2485, 2562, 2745, 2826, 2982, 3195, 3297, 3843, 4270, 4331, 4473, 4710, 4970, 5490, 5495, 6390, 6405, 6594, 7065, 7455, 7686, 8662, 8946, 9577, 9891, 10990, 11147, 12810, 12993, 14130, 14910, 16485, 19154, 19215, 19782, 21655, 22294, 22365, 25986, 28731, 30317, 32970, 33441, 38430, 38979, 43310, 44730, 47885, 49455, 55735, 57462, 60634, 64965, 66882, 67039, 77958, 78029, 86193, 90951, 95770, 98910, 100323, 111470, 129930, 134078, 143655, 151585, 156058, 167205, 172386, 181902, 194895, 200646, 201117, 234087, 272853, 287310, 303170, 334410, 335195, 389790, 390145, 402234, 430965, 454755, 468174, 501615, 545706, 603351, 670390, 679967, 702261, 780290, 861930, 909510, 1003230, 1005585, 1170435, 1206702, 1359934, 1364265, 1404522, 2011170, 2039901, 2340870, 2728530, 3016755, 3399835, 3511305, 4079802, 4759769, 6033510, 6119703, 6799670, 7022610, 9519538, 10199505, 12239406, 14279307, 20399010, 23798845, 28558614, 30598515, 42837921, 47597690, 61197030, 71396535, 85675842, 142793070, 214189605, 428379210]

約数ペア:

[(1, 428379210), (2, 214189605), (3, 142793070), (5, 85675842), (6, 71396535), (7, 61197030), (9, 47597690), (10, 42837921), (14, 30598515), (15, 28558614), (18, 23798845), (21, 20399010), (30, 14279307), (35, 12239406), (42, 10199505), (45, 9519538), (61, 7022610), (63, 6799670), (70, 6119703), (71, 6033510), (90, 4759769), (105, 4079802), (122, 3511305), (126, 3399835), (142, 3016755), (157, 2728530), (183, 2340870), (210, 2039901), (213, 2011170), (305, 1404522), (314, 1364265), (315, 1359934), (355, 1206702), (366, 1170435), (426, 1005585), (427, 1003230), (471, 909510), (497, 861930), (549, 780290), (610, 702261), (630, 679967), (639, 670390), (710, 603351), (785, 545706), (854, 501615), (915, 468174), (942, 454755), (994, 430965), (1065, 402234), (1098, 390145), (1099, 389790), (1278, 335195), (1281, 334410), (1413, 303170), (1491, 287310), (1570, 272853), (1830, 234087), (2130, 201117), (2135, 200646), (2198, 194895), (2355, 181902), (2485, 172386), (2562, 167205), (2745, 156058), (2826, 151585), (2982, 143655), (3195, 134078), (3297, 129930), (3843, 111470), (4270, 100323), (4331, 98910), (4473, 95770), (4710, 90951), (4970, 86193), (5490, 78029), (5495, 77958), (6390, 67039), (6405, 66882), (6594, 64965), (7065, 60634), (7455, 57462), (7686, 55735), (8662, 49455), (8946, 47885), (9577, 44730), (9891, 43310), (10990, 38979), (11147, 38430), (12810, 33441), (12993, 32970), (14130, 30317), (14910, 28731), (16485, 25986), (19154, 22365), (19215, 22294), (19782, 21655)]