12857000

素因数分解:

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

素因数の和:100

約数の個数: 128

約数和(自身を含む): 34594560

約数和(自身を除く): 21737560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 25, 26, 40, 43, 46, 50, 52, 65, 86, 92, 100, 104, 115, 125, 130, 172, 184, 200, 215, 230, 250, 260, 299, 325, 344, 430, 460, 500, 520, 559, 575, 598, 650, 860, 920, 989, 1000, 1075, 1118, 1150, 1196, 1300, 1495, 1625, 1720, 1978, 2150, 2236, 2300, 2392, 2600, 2795, 2875, 2990, 3250, 3956, 4300, 4472, 4600, 4945, 5375, 5590, 5750, 5980, 6500, 7475, 7912, 8600, 9890, 10750, 11180, 11500, 11960, 12857, 13000, 13975, 14950, 19780, 21500, 22360, 23000, 24725, 25714, 27950, 29900, 37375, 39560, 43000, 49450, 51428, 55900, 59800, 64285, 69875, 74750, 98900, 102856, 111800, 123625, 128570, 139750, 149500, 197800, 247250, 257140, 279500, 299000, 321425, 494500, 514280, 559000, 642850, 989000, 1285700, 1607125, 2571400, 3214250, 6428500, 12857000]

約数ペア:

[(1, 12857000), (2, 6428500), (4, 3214250), (5, 2571400), (8, 1607125), (10, 1285700), (13, 989000), (20, 642850), (23, 559000), (25, 514280), (26, 494500), (40, 321425), (43, 299000), (46, 279500), (50, 257140), (52, 247250), (65, 197800), (86, 149500), (92, 139750), (100, 128570), (104, 123625), (115, 111800), (125, 102856), (130, 98900), (172, 74750), (184, 69875), (200, 64285), (215, 59800), (230, 55900), (250, 51428), (260, 49450), (299, 43000), (325, 39560), (344, 37375), (430, 29900), (460, 27950), (500, 25714), (520, 24725), (559, 23000), (575, 22360), (598, 21500), (650, 19780), (860, 14950), (920, 13975), (989, 13000), (1000, 12857), (1075, 11960), (1118, 11500), (1150, 11180), (1196, 10750), (1300, 9890), (1495, 8600), (1625, 7912), (1720, 7475), (1978, 6500), (2150, 5980), (2236, 5750), (2300, 5590), (2392, 5375), (2600, 4945), (2795, 4600), (2875, 4472), (2990, 4300), (3250, 3956)]