209918800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 240

約数和(自身を含む): 637181440

約数和(自身を除く): 427262640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 73, 79, 80, 91, 100, 104, 112, 130, 140, 146, 158, 175, 182, 200, 208, 260, 280, 292, 316, 325, 350, 364, 365, 395, 400, 455, 511, 520, 553, 560, 584, 632, 650, 700, 728, 730, 790, 910, 949, 1022, 1027, 1040, 1106, 1168, 1264, 1300, 1400, 1456, 1460, 1580, 1820, 1825, 1898, 1975, 2044, 2054, 2212, 2275, 2555, 2600, 2765, 2800, 2920, 3160, 3640, 3650, 3796, 3950, 4088, 4108, 4424, 4550, 4745, 5110, 5135, 5200, 5530, 5767, 5840, 6320, 6643, 7189, 7280, 7300, 7592, 7900, 8176, 8216, 8848, 9100, 9490, 10220, 10270, 11060, 11534, 12775, 13286, 13825, 14378, 14600, 15184, 15800, 16432, 18200, 18980, 20440, 20540, 22120, 23068, 23725, 25550, 25675, 26572, 27650, 28756, 28835, 29200, 31600, 33215, 35945, 36400, 37960, 40369, 40880, 41080, 44240, 46136, 47450, 51100, 51350, 53144, 55300, 57512, 57670, 66430, 71890, 74971, 75920, 80738, 82160, 92272, 94900, 102200, 102700, 106288, 110600, 115024, 115340, 132860, 143780, 144175, 149942, 161476, 166075, 179725, 189800, 201845, 204400, 205400, 221200, 230680, 265720, 287560, 288350, 299884, 322952, 332150, 359450, 374855, 379600, 403690, 410800, 461360, 524797, 531440, 575120, 576700, 599768, 645904, 664300, 718900, 749710, 807380, 1009225, 1049594, 1153400, 1199536, 1328600, 1437800, 1499420, 1614760, 1874275, 2018450, 2099188, 2306800, 2623985, 2657200, 2875600, 2998840, 3229520, 3748550, 4036900, 4198376, 5247970, 5997680, 7497100, 8073800, 8396752, 10495940, 13119925, 14994200, 16147600, 20991880, 26239850, 29988400, 41983760, 52479700, 104959400, 209918800]

約数ペア:

[(1, 209918800), (2, 104959400), (4, 52479700), (5, 41983760), (7, 29988400), (8, 26239850), (10, 20991880), (13, 16147600), (14, 14994200), (16, 13119925), (20, 10495940), (25, 8396752), (26, 8073800), (28, 7497100), (35, 5997680), (40, 5247970), (50, 4198376), (52, 4036900), (56, 3748550), (65, 3229520), (70, 2998840), (73, 2875600), (79, 2657200), (80, 2623985), (91, 2306800), (100, 2099188), (104, 2018450), (112, 1874275), (130, 1614760), (140, 1499420), (146, 1437800), (158, 1328600), (175, 1199536), (182, 1153400), (200, 1049594), (208, 1009225), (260, 807380), (280, 749710), (292, 718900), (316, 664300), (325, 645904), (350, 599768), (364, 576700), (365, 575120), (395, 531440), (400, 524797), (455, 461360), (511, 410800), (520, 403690), (553, 379600), (560, 374855), (584, 359450), (632, 332150), (650, 322952), (700, 299884), (728, 288350), (730, 287560), (790, 265720), (910, 230680), (949, 221200), (1022, 205400), (1027, 204400), (1040, 201845), (1106, 189800), (1168, 179725), (1264, 166075), (1300, 161476), (1400, 149942), (1456, 144175), (1460, 143780), (1580, 132860), (1820, 115340), (1825, 115024), (1898, 110600), (1975, 106288), (2044, 102700), (2054, 102200), (2212, 94900), (2275, 92272), (2555, 82160), (2600, 80738), (2765, 75920), (2800, 74971), (2920, 71890), (3160, 66430), (3640, 57670), (3650, 57512), (3796, 55300), (3950, 53144), (4088, 51350), (4108, 51100), (4424, 47450), (4550, 46136), (4745, 44240), (5110, 41080), (5135, 40880), (5200, 40369), (5530, 37960), (5767, 36400), (5840, 35945), (6320, 33215), (6643, 31600), (7189, 29200), (7280, 28835), (7300, 28756), (7592, 27650), (7900, 26572), (8176, 25675), (8216, 25550), (8848, 23725), (9100, 23068), (9490, 22120), (10220, 20540), (10270, 20440), (11060, 18980), (11534, 18200), (12775, 16432), (13286, 15800), (13825, 15184), (14378, 14600)]