2021569970

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{269}}^1\times {\mathrm{313}}^1$

素因数の和:617

約数の個数: 80

約数和(自身を含む): 4274438040

約数和(自身を除く): 2252868070

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 269, 313, 343, 490, 538, 626, 686, 1345, 1565, 1715, 1883, 2191, 2401, 2690, 3130, 3430, 3766, 4382, 4802, 9415, 10955, 12005, 13181, 15337, 18830, 21910, 24010, 26362, 30674, 65905, 76685, 84197, 92267, 107359, 131810, 153370, 168394, 184534, 214718, 420985, 461335, 536795, 589379, 645869, 751513, 841970, 922670, 1073590, 1178758, 1291738, 1503026, 2946895, 3229345, 3757565, 4125653, 5893790, 6458690, 7515130, 8251306, 20628265, 28879571, 41256530, 57759142, 144397855, 202156997, 288795710, 404313994, 1010784985, 2021569970]

約数ペア:

[(1, 2021569970), (2, 1010784985), (5, 404313994), (7, 288795710), (10, 202156997), (14, 144397855), (35, 57759142), (49, 41256530), (70, 28879571), (98, 20628265), (245, 8251306), (269, 7515130), (313, 6458690), (343, 5893790), (490, 4125653), (538, 3757565), (626, 3229345), (686, 2946895), (1345, 1503026), (1565, 1291738), (1715, 1178758), (1883, 1073590), (2191, 922670), (2401, 841970), (2690, 751513), (3130, 645869), (3430, 589379), (3766, 536795), (4382, 461335), (4802, 420985), (9415, 214718), (10955, 184534), (12005, 168394), (13181, 153370), (15337, 131810), (18830, 107359), (21910, 92267), (24010, 84197), (26362, 76685), (30674, 65905)]