17999800

素因数分解:

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

素因数の和:102

約数の個数: 192

約数和(自身を含む): 54996480

約数和(自身を除く): 36996680

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, 130, 140, 161, 172, 175, 182, 184, 200, 215, 230, 260, 280, 299, 301, 322, 325, 344, 350, 364, 430, 455, 460, 520, 559, 575, 598, 602, 644, 650, 700, 728, 805, 860, 910, 920, 989, 1075, 1118, 1150, 1196, 1204, 1288, 1300, 1400, 1495, 1505, 1610, 1720, 1820, 1978, 2093, 2150, 2236, 2275, 2300, 2392, 2408, 2600, 2795, 2990, 3010, 3220, 3640, 3913, 3956, 4025, 4186, 4300, 4472, 4550, 4600, 4945, 5590, 5980, 6020, 6440, 6923, 7475, 7525, 7826, 7912, 8050, 8372, 8600, 9100, 9890, 10465, 11180, 11960, 12040, 12857, 13846, 13975, 14950, 15050, 15652, 16100, 16744, 18200, 19565, 19780, 20930, 22360, 24725, 25714, 27692, 27950, 29900, 30100, 31304, 32200, 34615, 39130, 39560, 41860, 49450, 51428, 52325, 55384, 55900, 59800, 60200, 64285, 69230, 78260, 83720, 89999, 97825, 98900, 102856, 104650, 111800, 128570, 138460, 156520, 173075, 179998, 195650, 197800, 209300, 257140, 276920, 321425, 346150, 359996, 391300, 418600, 449995, 514280, 642850, 692300, 719992, 782600, 899990, 1285700, 1384600, 1799980, 2249975, 2571400, 3599960, 4499950, 8999900, 17999800]

約数ペア:

[(1, 17999800), (2, 8999900), (4, 4499950), (5, 3599960), (7, 2571400), (8, 2249975), (10, 1799980), (13, 1384600), (14, 1285700), (20, 899990), (23, 782600), (25, 719992), (26, 692300), (28, 642850), (35, 514280), (40, 449995), (43, 418600), (46, 391300), (50, 359996), (52, 346150), (56, 321425), (65, 276920), (70, 257140), (86, 209300), (91, 197800), (92, 195650), (100, 179998), (104, 173075), (115, 156520), (130, 138460), (140, 128570), (161, 111800), (172, 104650), (175, 102856), (182, 98900), (184, 97825), (200, 89999), (215, 83720), (230, 78260), (260, 69230), (280, 64285), (299, 60200), (301, 59800), (322, 55900), (325, 55384), (344, 52325), (350, 51428), (364, 49450), (430, 41860), (455, 39560), (460, 39130), (520, 34615), (559, 32200), (575, 31304), (598, 30100), (602, 29900), (644, 27950), (650, 27692), (700, 25714), (728, 24725), (805, 22360), (860, 20930), (910, 19780), (920, 19565), (989, 18200), (1075, 16744), (1118, 16100), (1150, 15652), (1196, 15050), (1204, 14950), (1288, 13975), (1300, 13846), (1400, 12857), (1495, 12040), (1505, 11960), (1610, 11180), (1720, 10465), (1820, 9890), (1978, 9100), (2093, 8600), (2150, 8372), (2236, 8050), (2275, 7912), (2300, 7826), (2392, 7525), (2408, 7475), (2600, 6923), (2795, 6440), (2990, 6020), (3010, 5980), (3220, 5590), (3640, 4945), (3913, 4600), (3956, 4550), (4025, 4472), (4186, 4300)]