28285400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 192

約数和(自身を含む): 82494720

約数和(自身を除く): 54209320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 23, 25, 26, 40, 43, 44, 46, 50, 52, 55, 65, 86, 88, 92, 100, 104, 110, 115, 130, 143, 172, 184, 200, 215, 220, 230, 253, 260, 275, 286, 299, 325, 344, 430, 440, 460, 473, 506, 520, 550, 559, 572, 575, 598, 650, 715, 860, 920, 946, 989, 1012, 1075, 1100, 1118, 1144, 1150, 1196, 1265, 1300, 1430, 1495, 1720, 1892, 1978, 2024, 2150, 2200, 2236, 2300, 2365, 2392, 2530, 2600, 2795, 2860, 2990, 3289, 3575, 3784, 3956, 4300, 4472, 4600, 4730, 4945, 5060, 5590, 5720, 5980, 6149, 6325, 6578, 7150, 7475, 7912, 8600, 9460, 9890, 10120, 10879, 11180, 11825, 11960, 12298, 12650, 12857, 13156, 13975, 14300, 14950, 16445, 18920, 19780, 21758, 22360, 23650, 24596, 24725, 25300, 25714, 26312, 27950, 28600, 29900, 30745, 32890, 39560, 43516, 47300, 49192, 49450, 50600, 51428, 54395, 55900, 59800, 61490, 64285, 65780, 82225, 87032, 94600, 98900, 102856, 108790, 111800, 122980, 128570, 131560, 141427, 153725, 164450, 197800, 217580, 245960, 257140, 271975, 282854, 307450, 321425, 328900, 435160, 514280, 543950, 565708, 614900, 642850, 657800, 707135, 1087900, 1131416, 1229800, 1285700, 1414270, 2175800, 2571400, 2828540, 3535675, 5657080, 7071350, 14142700, 28285400]

約数ペア:

[(1, 28285400), (2, 14142700), (4, 7071350), (5, 5657080), (8, 3535675), (10, 2828540), (11, 2571400), (13, 2175800), (20, 1414270), (22, 1285700), (23, 1229800), (25, 1131416), (26, 1087900), (40, 707135), (43, 657800), (44, 642850), (46, 614900), (50, 565708), (52, 543950), (55, 514280), (65, 435160), (86, 328900), (88, 321425), (92, 307450), (100, 282854), (104, 271975), (110, 257140), (115, 245960), (130, 217580), (143, 197800), (172, 164450), (184, 153725), (200, 141427), (215, 131560), (220, 128570), (230, 122980), (253, 111800), (260, 108790), (275, 102856), (286, 98900), (299, 94600), (325, 87032), (344, 82225), (430, 65780), (440, 64285), (460, 61490), (473, 59800), (506, 55900), (520, 54395), (550, 51428), (559, 50600), (572, 49450), (575, 49192), (598, 47300), (650, 43516), (715, 39560), (860, 32890), (920, 30745), (946, 29900), (989, 28600), (1012, 27950), (1075, 26312), (1100, 25714), (1118, 25300), (1144, 24725), (1150, 24596), (1196, 23650), (1265, 22360), (1300, 21758), (1430, 19780), (1495, 18920), (1720, 16445), (1892, 14950), (1978, 14300), (2024, 13975), (2150, 13156), (2200, 12857), (2236, 12650), (2300, 12298), (2365, 11960), (2392, 11825), (2530, 11180), (2600, 10879), (2795, 10120), (2860, 9890), (2990, 9460), (3289, 8600), (3575, 7912), (3784, 7475), (3956, 7150), (4300, 6578), (4472, 6325), (4600, 6149), (4730, 5980), (4945, 5720), (5060, 5590)]