21758000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 160

約数和(自身を含む): 61281792

約数和(自身を除く): 39523792

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 40, 43, 44, 46, 50, 55, 80, 86, 88, 92, 100, 110, 115, 125, 172, 176, 184, 200, 215, 220, 230, 250, 253, 275, 344, 368, 400, 430, 440, 460, 473, 500, 506, 550, 575, 688, 860, 880, 920, 946, 989, 1000, 1012, 1075, 1100, 1150, 1265, 1375, 1720, 1840, 1892, 1978, 2000, 2024, 2150, 2200, 2300, 2365, 2530, 2750, 2875, 3440, 3784, 3956, 4048, 4300, 4400, 4600, 4730, 4945, 5060, 5375, 5500, 5750, 6325, 7568, 7912, 8600, 9200, 9460, 9890, 10120, 10750, 10879, 11000, 11500, 11825, 12650, 15824, 17200, 18920, 19780, 20240, 21500, 21758, 22000, 23000, 23650, 24725, 25300, 31625, 37840, 39560, 43000, 43516, 46000, 47300, 49450, 50600, 54395, 59125, 63250, 79120, 86000, 87032, 94600, 98900, 101200, 108790, 118250, 123625, 126500, 174064, 189200, 197800, 217580, 236500, 247250, 253000, 271975, 395600, 435160, 473000, 494500, 506000, 543950, 870320, 946000, 989000, 1087900, 1359875, 1978000, 2175800, 2719750, 4351600, 5439500, 10879000, 21758000]

約数ペア:

[(1, 21758000), (2, 10879000), (4, 5439500), (5, 4351600), (8, 2719750), (10, 2175800), (11, 1978000), (16, 1359875), (20, 1087900), (22, 989000), (23, 946000), (25, 870320), (40, 543950), (43, 506000), (44, 494500), (46, 473000), (50, 435160), (55, 395600), (80, 271975), (86, 253000), (88, 247250), (92, 236500), (100, 217580), (110, 197800), (115, 189200), (125, 174064), (172, 126500), (176, 123625), (184, 118250), (200, 108790), (215, 101200), (220, 98900), (230, 94600), (250, 87032), (253, 86000), (275, 79120), (344, 63250), (368, 59125), (400, 54395), (430, 50600), (440, 49450), (460, 47300), (473, 46000), (500, 43516), (506, 43000), (550, 39560), (575, 37840), (688, 31625), (860, 25300), (880, 24725), (920, 23650), (946, 23000), (989, 22000), (1000, 21758), (1012, 21500), (1075, 20240), (1100, 19780), (1150, 18920), (1265, 17200), (1375, 15824), (1720, 12650), (1840, 11825), (1892, 11500), (1978, 11000), (2000, 10879), (2024, 10750), (2150, 10120), (2200, 9890), (2300, 9460), (2365, 9200), (2530, 8600), (2750, 7912), (2875, 7568), (3440, 6325), (3784, 5750), (3956, 5500), (4048, 5375), (4300, 5060), (4400, 4945), (4600, 4730)]