1908914520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{499}}^1$

素因数の和:1033

約数の個数: 128

約数和(自身を含む): 5832000000

約数和(自身を除く): 3923085480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 449, 499, 568, 710, 852, 898, 998, 1065, 1347, 1420, 1497, 1704, 1796, 1996, 2130, 2245, 2495, 2694, 2840, 2994, 3592, 3992, 4260, 4490, 4990, 5388, 5988, 6735, 7485, 8520, 8980, 9980, 10776, 11976, 13470, 14970, 17960, 19960, 26940, 29940, 31879, 35429, 53880, 59880, 63758, 70858, 95637, 106287, 127516, 141716, 159395, 177145, 191274, 212574, 224051, 255032, 283432, 318790, 354290, 382548, 425148, 448102, 478185, 531435, 637580, 672153, 708580, 765096, 850296, 896204, 956370, 1062870, 1120255, 1275160, 1344306, 1417160, 1792408, 1912740, 2125740, 2240510, 2688612, 3360765, 3825480, 4251480, 4481020, 5377224, 6721530, 8962040, 13443060, 15907621, 26886120, 31815242, 47722863, 63630484, 79538105, 95445726, 127260968, 159076210, 190891452, 238614315, 318152420, 381782904, 477228630, 636304840, 954457260, 1908914520]

約数ペア:

[(1, 1908914520), (2, 954457260), (3, 636304840), (4, 477228630), (5, 381782904), (6, 318152420), (8, 238614315), (10, 190891452), (12, 159076210), (15, 127260968), (20, 95445726), (24, 79538105), (30, 63630484), (40, 47722863), (60, 31815242), (71, 26886120), (120, 15907621), (142, 13443060), (213, 8962040), (284, 6721530), (355, 5377224), (426, 4481020), (449, 4251480), (499, 3825480), (568, 3360765), (710, 2688612), (852, 2240510), (898, 2125740), (998, 1912740), (1065, 1792408), (1347, 1417160), (1420, 1344306), (1497, 1275160), (1704, 1120255), (1796, 1062870), (1996, 956370), (2130, 896204), (2245, 850296), (2495, 765096), (2694, 708580), (2840, 672153), (2994, 637580), (3592, 531435), (3992, 478185), (4260, 448102), (4490, 425148), (4990, 382548), (5388, 354290), (5988, 318790), (6735, 283432), (7485, 255032), (8520, 224051), (8980, 212574), (9980, 191274), (10776, 177145), (11976, 159395), (13470, 141716), (14970, 127516), (17960, 106287), (19960, 95637), (26940, 70858), (29940, 63758), (31879, 59880), (35429, 53880)]