204918408

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:332

約数の個数: 192

約数和(自身を含む): 636854400

約数和(自身を除く): 431935992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 23, 24, 29, 34, 36, 46, 51, 58, 68, 69, 72, 87, 92, 102, 116, 136, 138, 153, 174, 184, 204, 207, 232, 251, 261, 276, 306, 348, 391, 408, 414, 493, 502, 522, 552, 612, 667, 696, 753, 782, 828, 986, 1004, 1044, 1173, 1224, 1334, 1479, 1506, 1564, 1656, 1972, 2001, 2008, 2088, 2259, 2346, 2668, 2958, 3012, 3128, 3519, 3944, 4002, 4267, 4437, 4518, 4692, 5336, 5773, 5916, 6003, 6024, 7038, 7279, 8004, 8534, 8874, 9036, 9384, 11339, 11546, 11832, 12006, 12801, 14076, 14558, 16008, 17068, 17319, 17748, 18072, 21837, 22678, 23092, 24012, 25602, 28152, 29116, 34017, 34136, 34638, 35496, 38403, 43674, 45356, 46184, 48024, 51204, 51957, 58232, 65511, 68034, 69276, 76806, 87348, 90712, 98141, 102051, 102408, 103914, 123743, 131022, 136068, 138552, 153612, 167417, 174696, 196282, 204102, 207828, 247486, 262044, 272136, 294423, 307224, 334834, 371229, 392564, 408204, 415656, 494972, 502251, 524088, 588846, 669668, 742458, 785128, 816408, 883269, 989944, 1004502, 1113687, 1177692, 1339336, 1484916, 1506753, 1766538, 2009004, 2227374, 2355384, 2846089, 2969832, 3013506, 3533076, 4018008, 4454748, 5692178, 6027012, 7066152, 8538267, 8909496, 11384356, 12054024, 17076534, 22768712, 25614801, 34153068, 51229602, 68306136, 102459204, 204918408]

約数ペア:

[(1, 204918408), (2, 102459204), (3, 68306136), (4, 51229602), (6, 34153068), (8, 25614801), (9, 22768712), (12, 17076534), (17, 12054024), (18, 11384356), (23, 8909496), (24, 8538267), (29, 7066152), (34, 6027012), (36, 5692178), (46, 4454748), (51, 4018008), (58, 3533076), (68, 3013506), (69, 2969832), (72, 2846089), (87, 2355384), (92, 2227374), (102, 2009004), (116, 1766538), (136, 1506753), (138, 1484916), (153, 1339336), (174, 1177692), (184, 1113687), (204, 1004502), (207, 989944), (232, 883269), (251, 816408), (261, 785128), (276, 742458), (306, 669668), (348, 588846), (391, 524088), (408, 502251), (414, 494972), (493, 415656), (502, 408204), (522, 392564), (552, 371229), (612, 334834), (667, 307224), (696, 294423), (753, 272136), (782, 262044), (828, 247486), (986, 207828), (1004, 204102), (1044, 196282), (1173, 174696), (1224, 167417), (1334, 153612), (1479, 138552), (1506, 136068), (1564, 131022), (1656, 123743), (1972, 103914), (2001, 102408), (2008, 102051), (2088, 98141), (2259, 90712), (2346, 87348), (2668, 76806), (2958, 69276), (3012, 68034), (3128, 65511), (3519, 58232), (3944, 51957), (4002, 51204), (4267, 48024), (4437, 46184), (4518, 45356), (4692, 43674), (5336, 38403), (5773, 35496), (5916, 34638), (6003, 34136), (6024, 34017), (7038, 29116), (7279, 28152), (8004, 25602), (8534, 24012), (8874, 23092), (9036, 22678), (9384, 21837), (11339, 18072), (11546, 17748), (11832, 17319), (12006, 17068), (12801, 16008), (14076, 14558)]