289631720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:963

約数の個数: 128

約数和(自身を含む): 800616960

約数和(自身を除く): 510985240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 71, 85, 119, 136, 140, 142, 170, 238, 280, 284, 340, 355, 476, 497, 568, 595, 680, 710, 857, 952, 994, 1190, 1207, 1420, 1714, 1988, 2380, 2414, 2485, 2840, 3428, 3976, 4285, 4760, 4828, 4970, 5999, 6035, 6856, 8449, 8570, 9656, 9940, 11998, 12070, 14569, 16898, 17140, 19880, 23996, 24140, 29138, 29995, 33796, 34280, 42245, 47992, 48280, 58276, 59990, 60847, 67592, 72845, 84490, 101983, 116552, 119980, 121694, 145690, 168980, 203966, 239960, 243388, 291380, 304235, 337960, 407932, 425929, 486776, 509915, 582760, 608470, 815864, 851858, 1019830, 1034399, 1216940, 1703716, 2039660, 2068798, 2129645, 2433880, 3407432, 4079320, 4137596, 4259290, 5171995, 7240793, 8275192, 8518580, 10343990, 14481586, 17037160, 20687980, 28963172, 36203965, 41375960, 57926344, 72407930, 144815860, 289631720]

約数ペア:

[(1, 289631720), (2, 144815860), (4, 72407930), (5, 57926344), (7, 41375960), (8, 36203965), (10, 28963172), (14, 20687980), (17, 17037160), (20, 14481586), (28, 10343990), (34, 8518580), (35, 8275192), (40, 7240793), (56, 5171995), (68, 4259290), (70, 4137596), (71, 4079320), (85, 3407432), (119, 2433880), (136, 2129645), (140, 2068798), (142, 2039660), (170, 1703716), (238, 1216940), (280, 1034399), (284, 1019830), (340, 851858), (355, 815864), (476, 608470), (497, 582760), (568, 509915), (595, 486776), (680, 425929), (710, 407932), (857, 337960), (952, 304235), (994, 291380), (1190, 243388), (1207, 239960), (1420, 203966), (1714, 168980), (1988, 145690), (2380, 121694), (2414, 119980), (2485, 116552), (2840, 101983), (3428, 84490), (3976, 72845), (4285, 67592), (4760, 60847), (4828, 59990), (4970, 58276), (5999, 48280), (6035, 47992), (6856, 42245), (8449, 34280), (8570, 33796), (9656, 29995), (9940, 29138), (11998, 24140), (12070, 23996), (14569, 19880), (16898, 17140)]