64285000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 160

約数和(自身を含む): 173194560

約数和(自身を除く): 108909560

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, 625, 650, 860, 920, 989, 1000, 1075, 1118, 1150, 1196, 1250, 1300, 1495, 1625, 1720, 1978, 2150, 2236, 2300, 2392, 2500, 2600, 2795, 2875, 2990, 3250, 3956, 4300, 4472, 4600, 4945, 5000, 5375, 5590, 5750, 5980, 6500, 7475, 7912, 8125, 8600, 9890, 10750, 11180, 11500, 11960, 12857, 13000, 13975, 14375, 14950, 16250, 19780, 21500, 22360, 23000, 24725, 25714, 26875, 27950, 28750, 29900, 32500, 37375, 39560, 43000, 49450, 51428, 53750, 55900, 57500, 59800, 64285, 65000, 69875, 74750, 98900, 102856, 107500, 111800, 115000, 123625, 128570, 139750, 149500, 186875, 197800, 215000, 247250, 257140, 279500, 299000, 321425, 349375, 373750, 494500, 514280, 559000, 618125, 642850, 698750, 747500, 989000, 1236250, 1285700, 1397500, 1495000, 1607125, 2472500, 2571400, 2795000, 3214250, 4945000, 6428500, 8035625, 12857000, 16071250, 32142500, 64285000]

約数ペア:

[(1, 64285000), (2, 32142500), (4, 16071250), (5, 12857000), (8, 8035625), (10, 6428500), (13, 4945000), (20, 3214250), (23, 2795000), (25, 2571400), (26, 2472500), (40, 1607125), (43, 1495000), (46, 1397500), (50, 1285700), (52, 1236250), (65, 989000), (86, 747500), (92, 698750), (100, 642850), (104, 618125), (115, 559000), (125, 514280), (130, 494500), (172, 373750), (184, 349375), (200, 321425), (215, 299000), (230, 279500), (250, 257140), (260, 247250), (299, 215000), (325, 197800), (344, 186875), (430, 149500), (460, 139750), (500, 128570), (520, 123625), (559, 115000), (575, 111800), (598, 107500), (625, 102856), (650, 98900), (860, 74750), (920, 69875), (989, 65000), (1000, 64285), (1075, 59800), (1118, 57500), (1150, 55900), (1196, 53750), (1250, 51428), (1300, 49450), (1495, 43000), (1625, 39560), (1720, 37375), (1978, 32500), (2150, 29900), (2236, 28750), (2300, 27950), (2392, 26875), (2500, 25714), (2600, 24725), (2795, 23000), (2875, 22360), (2990, 21500), (3250, 19780), (3956, 16250), (4300, 14950), (4472, 14375), (4600, 13975), (4945, 13000), (5000, 12857), (5375, 11960), (5590, 11500), (5750, 11180), (5980, 10750), (6500, 9890), (7475, 8600), (7912, 8125)]