1819492000

素因数分解:

$2^5\times 5^3\times {\mathrm{197}}^1\times {\mathrm{2309}}^1$

素因数の和:2531

約数の個数: 96

約数和(自身を含む): 4495130640

約数和(自身を除く): 2675638640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 197, 200, 250, 394, 400, 500, 788, 800, 985, 1000, 1576, 1970, 2000, 2309, 3152, 3940, 4000, 4618, 4925, 6304, 7880, 9236, 9850, 11545, 15760, 18472, 19700, 23090, 24625, 31520, 36944, 39400, 46180, 49250, 57725, 73888, 78800, 92360, 98500, 115450, 157600, 184720, 197000, 230900, 288625, 369440, 394000, 454873, 461800, 577250, 788000, 909746, 923600, 1154500, 1819492, 1847200, 2274365, 2309000, 3638984, 4548730, 4618000, 7277968, 9097460, 9236000, 11371825, 14555936, 18194920, 22743650, 36389840, 45487300, 56859125, 72779680, 90974600, 113718250, 181949200, 227436500, 363898400, 454873000, 909746000, 1819492000]

約数ペア:

[(1, 1819492000), (2, 909746000), (4, 454873000), (5, 363898400), (8, 227436500), (10, 181949200), (16, 113718250), (20, 90974600), (25, 72779680), (32, 56859125), (40, 45487300), (50, 36389840), (80, 22743650), (100, 18194920), (125, 14555936), (160, 11371825), (197, 9236000), (200, 9097460), (250, 7277968), (394, 4618000), (400, 4548730), (500, 3638984), (788, 2309000), (800, 2274365), (985, 1847200), (1000, 1819492), (1576, 1154500), (1970, 923600), (2000, 909746), (2309, 788000), (3152, 577250), (3940, 461800), (4000, 454873), (4618, 394000), (4925, 369440), (6304, 288625), (7880, 230900), (9236, 197000), (9850, 184720), (11545, 157600), (15760, 115450), (18472, 98500), (19700, 92360), (23090, 78800), (24625, 73888), (31520, 57725), (36944, 49250), (39400, 46180)]