89999000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 256

約数和(自身を含む): 276756480

約数和(自身を除く): 186757480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 25, 26, 28, 35, 40, 43, 46, 50, 52, 56, 65, 70, 86, 91, 92, 100, 104, 115, 125, 130, 140, 161, 172, 175, 182, 184, 200, 215, 230, 250, 260, 280, 299, 301, 322, 325, 344, 350, 364, 430, 455, 460, 500, 520, 559, 575, 598, 602, 644, 650, 700, 728, 805, 860, 875, 910, 920, 989, 1000, 1075, 1118, 1150, 1196, 1204, 1288, 1300, 1400, 1495, 1505, 1610, 1625, 1720, 1750, 1820, 1978, 2093, 2150, 2236, 2275, 2300, 2392, 2408, 2600, 2795, 2875, 2990, 3010, 3220, 3250, 3500, 3640, 3913, 3956, 4025, 4186, 4300, 4472, 4550, 4600, 4945, 5375, 5590, 5750, 5980, 6020, 6440, 6500, 6923, 7000, 7475, 7525, 7826, 7912, 8050, 8372, 8600, 9100, 9890, 10465, 10750, 11180, 11375, 11500, 11960, 12040, 12857, 13000, 13846, 13975, 14950, 15050, 15652, 16100, 16744, 18200, 19565, 19780, 20125, 20930, 21500, 22360, 22750, 23000, 24725, 25714, 27692, 27950, 29900, 30100, 31304, 32200, 34615, 37375, 37625, 39130, 39560, 40250, 41860, 43000, 45500, 49450, 51428, 52325, 55384, 55900, 59800, 60200, 64285, 69230, 69875, 74750, 75250, 78260, 80500, 83720, 89999, 91000, 97825, 98900, 102856, 104650, 111800, 123625, 128570, 138460, 139750, 149500, 150500, 156520, 161000, 173075, 179998, 195650, 197800, 209300, 247250, 257140, 261625, 276920, 279500, 299000, 301000, 321425, 346150, 359996, 391300, 418600, 449995, 489125, 494500, 514280, 523250, 559000, 642850, 692300, 719992, 782600, 865375, 899990, 978250, 989000, 1046500, 1285700, 1384600, 1607125, 1730750, 1799980, 1956500, 2093000, 2249975, 2571400, 3214250, 3461500, 3599960, 3913000, 4499950, 6428500, 6923000, 8999900, 11249875, 12857000, 17999800, 22499750, 44999500, 89999000]

約数ペア:

[(1, 89999000), (2, 44999500), (4, 22499750), (5, 17999800), (7, 12857000), (8, 11249875), (10, 8999900), (13, 6923000), (14, 6428500), (20, 4499950), (23, 3913000), (25, 3599960), (26, 3461500), (28, 3214250), (35, 2571400), (40, 2249975), (43, 2093000), (46, 1956500), (50, 1799980), (52, 1730750), (56, 1607125), (65, 1384600), (70, 1285700), (86, 1046500), (91, 989000), (92, 978250), (100, 899990), (104, 865375), (115, 782600), (125, 719992), (130, 692300), (140, 642850), (161, 559000), (172, 523250), (175, 514280), (182, 494500), (184, 489125), (200, 449995), (215, 418600), (230, 391300), (250, 359996), (260, 346150), (280, 321425), (299, 301000), (301, 299000), (322, 279500), (325, 276920), (344, 261625), (350, 257140), (364, 247250), (430, 209300), (455, 197800), (460, 195650), (500, 179998), (520, 173075), (559, 161000), (575, 156520), (598, 150500), (602, 149500), (644, 139750), (650, 138460), (700, 128570), (728, 123625), (805, 111800), (860, 104650), (875, 102856), (910, 98900), (920, 97825), (989, 91000), (1000, 89999), (1075, 83720), (1118, 80500), (1150, 78260), (1196, 75250), (1204, 74750), (1288, 69875), (1300, 69230), (1400, 64285), (1495, 60200), (1505, 59800), (1610, 55900), (1625, 55384), (1720, 52325), (1750, 51428), (1820, 49450), (1978, 45500), (2093, 43000), (2150, 41860), (2236, 40250), (2275, 39560), (2300, 39130), (2392, 37625), (2408, 37375), (2600, 34615), (2795, 32200), (2875, 31304), (2990, 30100), (3010, 29900), (3220, 27950), (3250, 27692), (3500, 25714), (3640, 24725), (3913, 23000), (3956, 22750), (4025, 22360), (4186, 21500), (4300, 20930), (4472, 20125), (4550, 19780), (4600, 19565), (4945, 18200), (5375, 16744), (5590, 16100), (5750, 15652), (5980, 15050), (6020, 14950), (6440, 13975), (6500, 13846), (6923, 13000), (7000, 12857), (7475, 12040), (7525, 11960), (7826, 11500), (7912, 11375), (8050, 11180), (8372, 10750), (8600, 10465), (9100, 9890)]