278538216

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 783216000

約数和(自身を除く): 504677784

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 73, 88, 97, 132, 146, 149, 194, 219, 264, 291, 292, 298, 388, 438, 447, 582, 584, 596, 776, 803, 876, 894, 1067, 1164, 1192, 1606, 1639, 1752, 1788, 2134, 2328, 2409, 3201, 3212, 3278, 3576, 4268, 4818, 4917, 6402, 6424, 6556, 7081, 8536, 9636, 9834, 10877, 12804, 13112, 14162, 14453, 19272, 19668, 21243, 21754, 25608, 28324, 28906, 32631, 39336, 42486, 43359, 43508, 56648, 57812, 65262, 77891, 84972, 86718, 87016, 115624, 119647, 130524, 155782, 158983, 169944, 173436, 233673, 239294, 261048, 311564, 317966, 346872, 358941, 467346, 476949, 478588, 623128, 635932, 717882, 934692, 953898, 957176, 1055069, 1271864, 1435764, 1869384, 1907796, 2110138, 2871528, 3165207, 3815592, 4220276, 6330414, 8440552, 11605759, 12660828, 23211518, 25321656, 34817277, 46423036, 69634554, 92846072, 139269108, 278538216]

約数ペア:

[(1, 278538216), (2, 139269108), (3, 92846072), (4, 69634554), (6, 46423036), (8, 34817277), (11, 25321656), (12, 23211518), (22, 12660828), (24, 11605759), (33, 8440552), (44, 6330414), (66, 4220276), (73, 3815592), (88, 3165207), (97, 2871528), (132, 2110138), (146, 1907796), (149, 1869384), (194, 1435764), (219, 1271864), (264, 1055069), (291, 957176), (292, 953898), (298, 934692), (388, 717882), (438, 635932), (447, 623128), (582, 478588), (584, 476949), (596, 467346), (776, 358941), (803, 346872), (876, 317966), (894, 311564), (1067, 261048), (1164, 239294), (1192, 233673), (1606, 173436), (1639, 169944), (1752, 158983), (1788, 155782), (2134, 130524), (2328, 119647), (2409, 115624), (3201, 87016), (3212, 86718), (3278, 84972), (3576, 77891), (4268, 65262), (4818, 57812), (4917, 56648), (6402, 43508), (6424, 43359), (6556, 42486), (7081, 39336), (8536, 32631), (9636, 28906), (9834, 28324), (10877, 25608), (12804, 21754), (13112, 21243), (14162, 19668), (14453, 19272)]