208211640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{829}}^1$

素因数の和:886

約数の個数: 256

約数和(自身を含む): 803174400

約数和(自身を除く): 594962760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 23, 24, 26, 28, 30, 35, 39, 40, 42, 46, 52, 56, 60, 65, 69, 70, 78, 84, 91, 92, 104, 105, 115, 120, 130, 138, 140, 156, 161, 168, 182, 184, 195, 210, 230, 260, 273, 276, 280, 299, 312, 322, 345, 364, 390, 420, 455, 460, 483, 520, 546, 552, 598, 644, 690, 728, 780, 805, 829, 840, 897, 910, 920, 966, 1092, 1196, 1288, 1365, 1380, 1495, 1560, 1610, 1658, 1794, 1820, 1932, 2093, 2184, 2392, 2415, 2487, 2730, 2760, 2990, 3220, 3316, 3588, 3640, 3864, 4145, 4186, 4485, 4830, 4974, 5460, 5803, 5980, 6279, 6440, 6632, 7176, 8290, 8372, 8970, 9660, 9948, 10465, 10777, 10920, 11606, 11960, 12435, 12558, 16580, 16744, 17409, 17940, 19067, 19320, 19896, 20930, 21554, 23212, 24870, 25116, 29015, 31395, 32331, 33160, 34818, 35880, 38134, 41860, 43108, 46424, 49740, 50232, 53885, 57201, 58030, 62790, 64662, 69636, 75439, 76268, 83720, 86216, 87045, 95335, 99480, 107770, 114402, 116060, 125580, 129324, 133469, 139272, 150878, 152536, 161655, 174090, 190670, 215540, 226317, 228804, 232120, 247871, 251160, 258648, 266938, 286005, 301756, 323310, 348180, 377195, 381340, 400407, 431080, 452634, 457608, 495742, 533876, 572010, 603512, 646620, 667345, 696360, 743613, 754390, 762680, 800814, 905268, 991484, 1067752, 1131585, 1144020, 1239355, 1293240, 1334690, 1487226, 1508780, 1601628, 1735097, 1810536, 1982968, 2002035, 2263170, 2288040, 2478710, 2669380, 2974452, 3017560, 3203256, 3470194, 3718065, 4004070, 4526340, 4957420, 5205291, 5338760, 5948904, 6940388, 7436130, 8008140, 8675485, 9052680, 9914840, 10410582, 13880776, 14872260, 16016280, 17350970, 20821164, 26026455, 29744520, 34701940, 41642328, 52052910, 69403880, 104105820, 208211640]

約数ペア:

[(1, 208211640), (2, 104105820), (3, 69403880), (4, 52052910), (5, 41642328), (6, 34701940), (7, 29744520), (8, 26026455), (10, 20821164), (12, 17350970), (13, 16016280), (14, 14872260), (15, 13880776), (20, 10410582), (21, 9914840), (23, 9052680), (24, 8675485), (26, 8008140), (28, 7436130), (30, 6940388), (35, 5948904), (39, 5338760), (40, 5205291), (42, 4957420), (46, 4526340), (52, 4004070), (56, 3718065), (60, 3470194), (65, 3203256), (69, 3017560), (70, 2974452), (78, 2669380), (84, 2478710), (91, 2288040), (92, 2263170), (104, 2002035), (105, 1982968), (115, 1810536), (120, 1735097), (130, 1601628), (138, 1508780), (140, 1487226), (156, 1334690), (161, 1293240), (168, 1239355), (182, 1144020), (184, 1131585), (195, 1067752), (210, 991484), (230, 905268), (260, 800814), (273, 762680), (276, 754390), (280, 743613), (299, 696360), (312, 667345), (322, 646620), (345, 603512), (364, 572010), (390, 533876), (420, 495742), (455, 457608), (460, 452634), (483, 431080), (520, 400407), (546, 381340), (552, 377195), (598, 348180), (644, 323310), (690, 301756), (728, 286005), (780, 266938), (805, 258648), (829, 251160), (840, 247871), (897, 232120), (910, 228804), (920, 226317), (966, 215540), (1092, 190670), (1196, 174090), (1288, 161655), (1365, 152536), (1380, 150878), (1495, 139272), (1560, 133469), (1610, 129324), (1658, 125580), (1794, 116060), (1820, 114402), (1932, 107770), (2093, 99480), (2184, 95335), (2392, 87045), (2415, 86216), (2487, 83720), (2730, 76268), (2760, 75439), (2990, 69636), (3220, 64662), (3316, 62790), (3588, 58030), (3640, 57201), (3864, 53885), (4145, 50232), (4186, 49740), (4485, 46424), (4830, 43108), (4974, 41860), (5460, 38134), (5803, 35880), (5980, 34818), (6279, 33160), (6440, 32331), (6632, 31395), (7176, 29015), (8290, 25116), (8372, 24870), (8970, 23212), (9660, 21554), (9948, 20930), (10465, 19896), (10777, 19320), (10920, 19067), (11606, 17940), (11960, 17409), (12435, 16744), (12558, 16580)]