438787000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:578

約数の個数: 128

約数和(自身を含む): 1109946240

約数和(自身を除く): 671159240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 53, 68, 85, 100, 106, 125, 136, 170, 200, 212, 250, 265, 340, 424, 425, 487, 500, 530, 680, 850, 901, 974, 1000, 1060, 1325, 1700, 1802, 1948, 2120, 2125, 2435, 2650, 3400, 3604, 3896, 4250, 4505, 4870, 5300, 6625, 7208, 8279, 8500, 9010, 9740, 10600, 12175, 13250, 16558, 17000, 18020, 19480, 22525, 24350, 25811, 26500, 33116, 36040, 41395, 45050, 48700, 51622, 53000, 60875, 66232, 82790, 90100, 97400, 103244, 112625, 121750, 129055, 165580, 180200, 206488, 206975, 225250, 243500, 258110, 331160, 413950, 438787, 450500, 487000, 516220, 645275, 827900, 877574, 901000, 1032440, 1034875, 1290550, 1655800, 1755148, 2069750, 2193935, 2581100, 3226375, 3510296, 4139500, 4387870, 5162200, 6452750, 8279000, 8775740, 10969675, 12905500, 17551480, 21939350, 25811000, 43878700, 54848375, 87757400, 109696750, 219393500, 438787000]

約数ペア:

[(1, 438787000), (2, 219393500), (4, 109696750), (5, 87757400), (8, 54848375), (10, 43878700), (17, 25811000), (20, 21939350), (25, 17551480), (34, 12905500), (40, 10969675), (50, 8775740), (53, 8279000), (68, 6452750), (85, 5162200), (100, 4387870), (106, 4139500), (125, 3510296), (136, 3226375), (170, 2581100), (200, 2193935), (212, 2069750), (250, 1755148), (265, 1655800), (340, 1290550), (424, 1034875), (425, 1032440), (487, 901000), (500, 877574), (530, 827900), (680, 645275), (850, 516220), (901, 487000), (974, 450500), (1000, 438787), (1060, 413950), (1325, 331160), (1700, 258110), (1802, 243500), (1948, 225250), (2120, 206975), (2125, 206488), (2435, 180200), (2650, 165580), (3400, 129055), (3604, 121750), (3896, 112625), (4250, 103244), (4505, 97400), (4870, 90100), (5300, 82790), (6625, 66232), (7208, 60875), (8279, 53000), (8500, 51622), (9010, 48700), (9740, 45050), (10600, 41395), (12175, 36040), (13250, 33116), (16558, 26500), (17000, 25811), (18020, 24350), (19480, 22525)]