398938008

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{353}}^1$

素因数の和:438

約数の個数: 144

約数和(自身を含む): 1202205240

約数和(自身を除く): 803267232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 49, 56, 62, 84, 93, 98, 124, 147, 168, 186, 196, 217, 248, 294, 353, 372, 392, 434, 588, 651, 706, 744, 868, 961, 1059, 1176, 1302, 1412, 1519, 1736, 1922, 2118, 2471, 2604, 2824, 2883, 3038, 3844, 4236, 4557, 4942, 5208, 5766, 6076, 6727, 7413, 7688, 8472, 9114, 9884, 10943, 11532, 12152, 13454, 14826, 17297, 18228, 19768, 20181, 21886, 23064, 26908, 29652, 32829, 34594, 36456, 40362, 43772, 47089, 51891, 53816, 59304, 65658, 69188, 76601, 80724, 87544, 94178, 103782, 131316, 138376, 141267, 153202, 161448, 188356, 207564, 229803, 262632, 282534, 306404, 339233, 376712, 415128, 459606, 536207, 565068, 612808, 678466, 919212, 1017699, 1072414, 1130136, 1356932, 1608621, 1838424, 2035398, 2144828, 2374631, 2713864, 3217242, 4070796, 4289656, 4749262, 6434484, 7123893, 8141592, 9498524, 12868968, 14247786, 16622417, 18997048, 28495572, 33244834, 49867251, 56991144, 66489668, 99734502, 132979336, 199469004, 398938008]

約数ペア:

[(1, 398938008), (2, 199469004), (3, 132979336), (4, 99734502), (6, 66489668), (7, 56991144), (8, 49867251), (12, 33244834), (14, 28495572), (21, 18997048), (24, 16622417), (28, 14247786), (31, 12868968), (42, 9498524), (49, 8141592), (56, 7123893), (62, 6434484), (84, 4749262), (93, 4289656), (98, 4070796), (124, 3217242), (147, 2713864), (168, 2374631), (186, 2144828), (196, 2035398), (217, 1838424), (248, 1608621), (294, 1356932), (353, 1130136), (372, 1072414), (392, 1017699), (434, 919212), (588, 678466), (651, 612808), (706, 565068), (744, 536207), (868, 459606), (961, 415128), (1059, 376712), (1176, 339233), (1302, 306404), (1412, 282534), (1519, 262632), (1736, 229803), (1922, 207564), (2118, 188356), (2471, 161448), (2604, 153202), (2824, 141267), (2883, 138376), (3038, 131316), (3844, 103782), (4236, 94178), (4557, 87544), (4942, 80724), (5208, 76601), (5766, 69188), (6076, 65658), (6727, 59304), (7413, 53816), (7688, 51891), (8472, 47089), (9114, 43772), (9884, 40362), (10943, 36456), (11532, 34594), (12152, 32829), (13454, 29652), (14826, 26908), (17297, 23064), (18228, 21886), (19768, 20181)]