208398840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 256

約数和(自身を含む): 725760000

約数和(自身を除く): 517361160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 79, 89, 95, 104, 114, 120, 130, 152, 156, 158, 178, 190, 195, 228, 237, 247, 260, 267, 285, 312, 316, 356, 380, 390, 395, 445, 456, 474, 494, 520, 534, 570, 632, 712, 741, 760, 780, 790, 890, 948, 988, 1027, 1068, 1140, 1157, 1185, 1235, 1335, 1482, 1501, 1560, 1580, 1691, 1780, 1896, 1976, 2054, 2136, 2280, 2314, 2370, 2470, 2670, 2964, 3002, 3081, 3160, 3382, 3471, 3560, 3705, 4108, 4503, 4628, 4740, 4940, 5073, 5135, 5340, 5785, 5928, 6004, 6162, 6764, 6942, 7031, 7410, 7505, 8216, 8455, 9006, 9256, 9480, 9880, 10146, 10270, 10680, 11570, 12008, 12324, 13528, 13884, 14062, 14820, 15010, 15405, 16910, 17355, 18012, 19513, 20292, 20540, 21093, 21983, 22515, 23140, 24648, 25365, 27768, 28124, 29640, 30020, 30810, 33820, 34710, 35155, 36024, 39026, 40584, 41080, 42186, 43966, 45030, 46280, 50730, 56248, 58539, 60040, 61620, 65949, 67640, 69420, 70310, 78052, 84372, 87932, 90060, 91403, 97565, 101460, 105465, 109915, 117078, 123240, 131898, 133589, 138840, 140620, 156104, 168744, 175864, 180120, 182806, 195130, 202920, 210930, 219830, 234156, 263796, 267178, 274209, 281240, 292695, 329745, 365612, 390260, 400767, 421860, 439660, 457015, 468312, 527592, 534356, 548418, 585390, 659490, 667945, 731224, 780520, 801534, 843720, 879320, 914030, 1068712, 1096836, 1170780, 1318980, 1335890, 1371045, 1603068, 1736657, 1828060, 2003835, 2193672, 2341560, 2637960, 2671780, 2742090, 3206136, 3473314, 3656120, 4007670, 5209971, 5343560, 5484180, 6946628, 8015340, 8683285, 10419942, 10968360, 13893256, 16030680, 17366570, 20839884, 26049855, 34733140, 41679768, 52099710, 69466280, 104199420, 208398840]

約数ペア:

[(1, 208398840), (2, 104199420), (3, 69466280), (4, 52099710), (5, 41679768), (6, 34733140), (8, 26049855), (10, 20839884), (12, 17366570), (13, 16030680), (15, 13893256), (19, 10968360), (20, 10419942), (24, 8683285), (26, 8015340), (30, 6946628), (38, 5484180), (39, 5343560), (40, 5209971), (52, 4007670), (57, 3656120), (60, 3473314), (65, 3206136), (76, 2742090), (78, 2671780), (79, 2637960), (89, 2341560), (95, 2193672), (104, 2003835), (114, 1828060), (120, 1736657), (130, 1603068), (152, 1371045), (156, 1335890), (158, 1318980), (178, 1170780), (190, 1096836), (195, 1068712), (228, 914030), (237, 879320), (247, 843720), (260, 801534), (267, 780520), (285, 731224), (312, 667945), (316, 659490), (356, 585390), (380, 548418), (390, 534356), (395, 527592), (445, 468312), (456, 457015), (474, 439660), (494, 421860), (520, 400767), (534, 390260), (570, 365612), (632, 329745), (712, 292695), (741, 281240), (760, 274209), (780, 267178), (790, 263796), (890, 234156), (948, 219830), (988, 210930), (1027, 202920), (1068, 195130), (1140, 182806), (1157, 180120), (1185, 175864), (1235, 168744), (1335, 156104), (1482, 140620), (1501, 138840), (1560, 133589), (1580, 131898), (1691, 123240), (1780, 117078), (1896, 109915), (1976, 105465), (2054, 101460), (2136, 97565), (2280, 91403), (2314, 90060), (2370, 87932), (2470, 84372), (2670, 78052), (2964, 70310), (3002, 69420), (3081, 67640), (3160, 65949), (3382, 61620), (3471, 60040), (3560, 58539), (3705, 56248), (4108, 50730), (4503, 46280), (4628, 45030), (4740, 43966), (4940, 42186), (5073, 41080), (5135, 40584), (5340, 39026), (5785, 36024), (5928, 35155), (6004, 34710), (6162, 33820), (6764, 30810), (6942, 30020), (7031, 29640), (7410, 28124), (7505, 27768), (8216, 25365), (8455, 24648), (9006, 23140), (9256, 22515), (9480, 21983), (9880, 21093), (10146, 20540), (10270, 20292), (10680, 19513), (11570, 18012), (12008, 17355), (12324, 16910), (13528, 15405), (13884, 15010), (14062, 14820)]