131440400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 240

約数和(自身を含む): 408140544

約数和(自身を除く): 276700144

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 25, 26, 28, 35, 40, 46, 50, 52, 56, 65, 70, 80, 91, 92, 100, 104, 112, 115, 130, 140, 157, 161, 175, 182, 184, 200, 208, 230, 260, 280, 299, 314, 322, 325, 350, 364, 368, 400, 455, 460, 520, 560, 575, 598, 628, 644, 650, 700, 728, 785, 805, 910, 920, 1040, 1099, 1150, 1196, 1256, 1288, 1300, 1400, 1456, 1495, 1570, 1610, 1820, 1840, 2041, 2093, 2198, 2275, 2300, 2392, 2512, 2576, 2600, 2800, 2990, 3140, 3220, 3611, 3640, 3925, 4025, 4082, 4186, 4396, 4550, 4600, 4784, 5200, 5495, 5980, 6280, 6440, 7222, 7280, 7475, 7850, 8050, 8164, 8372, 8792, 9100, 9200, 10205, 10465, 10990, 11960, 12560, 12880, 14287, 14444, 14950, 15700, 16100, 16328, 16744, 17584, 18055, 18200, 20410, 20930, 21980, 23920, 25277, 27475, 28574, 28888, 29900, 31400, 32200, 32656, 33488, 36110, 36400, 40820, 41860, 43960, 46943, 50554, 51025, 52325, 54950, 57148, 57776, 59800, 62800, 64400, 71435, 72220, 81640, 83720, 87920, 90275, 93886, 101108, 102050, 104650, 109900, 114296, 119600, 126385, 142870, 144440, 163280, 167440, 180550, 187772, 202216, 204100, 209300, 219800, 228592, 234715, 252770, 285740, 288880, 328601, 357175, 361100, 375544, 404432, 408200, 418600, 439600, 469430, 505540, 571480, 631925, 657202, 714350, 722200, 751088, 816400, 837200, 938860, 1011080, 1142960, 1173575, 1263850, 1314404, 1428700, 1444400, 1643005, 1877720, 2022160, 2347150, 2527700, 2628808, 2857400, 3286010, 3755440, 4694300, 5055400, 5257616, 5714800, 6572020, 8215025, 9388600, 10110800, 13144040, 16430050, 18777200, 26288080, 32860100, 65720200, 131440400]

約数ペア:

[(1, 131440400), (2, 65720200), (4, 32860100), (5, 26288080), (7, 18777200), (8, 16430050), (10, 13144040), (13, 10110800), (14, 9388600), (16, 8215025), (20, 6572020), (23, 5714800), (25, 5257616), (26, 5055400), (28, 4694300), (35, 3755440), (40, 3286010), (46, 2857400), (50, 2628808), (52, 2527700), (56, 2347150), (65, 2022160), (70, 1877720), (80, 1643005), (91, 1444400), (92, 1428700), (100, 1314404), (104, 1263850), (112, 1173575), (115, 1142960), (130, 1011080), (140, 938860), (157, 837200), (161, 816400), (175, 751088), (182, 722200), (184, 714350), (200, 657202), (208, 631925), (230, 571480), (260, 505540), (280, 469430), (299, 439600), (314, 418600), (322, 408200), (325, 404432), (350, 375544), (364, 361100), (368, 357175), (400, 328601), (455, 288880), (460, 285740), (520, 252770), (560, 234715), (575, 228592), (598, 219800), (628, 209300), (644, 204100), (650, 202216), (700, 187772), (728, 180550), (785, 167440), (805, 163280), (910, 144440), (920, 142870), (1040, 126385), (1099, 119600), (1150, 114296), (1196, 109900), (1256, 104650), (1288, 102050), (1300, 101108), (1400, 93886), (1456, 90275), (1495, 87920), (1570, 83720), (1610, 81640), (1820, 72220), (1840, 71435), (2041, 64400), (2093, 62800), (2198, 59800), (2275, 57776), (2300, 57148), (2392, 54950), (2512, 52325), (2576, 51025), (2600, 50554), (2800, 46943), (2990, 43960), (3140, 41860), (3220, 40820), (3611, 36400), (3640, 36110), (3925, 33488), (4025, 32656), (4082, 32200), (4186, 31400), (4396, 29900), (4550, 28888), (4600, 28574), (4784, 27475), (5200, 25277), (5495, 23920), (5980, 21980), (6280, 20930), (6440, 20410), (7222, 18200), (7280, 18055), (7475, 17584), (7850, 16744), (8050, 16328), (8164, 16100), (8372, 15700), (8792, 14950), (9100, 14444), (9200, 14287), (10205, 12880), (10465, 12560), (10990, 11960)]