212872790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 427242816

約数和(自身を除く): 214370026

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 113, 130, 215, 226, 337, 430, 559, 565, 674, 1118, 1130, 1469, 1685, 2795, 2938, 3370, 4381, 4859, 5590, 7345, 8762, 9718, 14491, 14690, 21905, 24295, 28982, 38081, 43810, 48590, 63167, 72455, 76162, 126334, 144910, 188383, 190405, 315835, 376766, 380810, 495053, 631670, 941915, 990106, 1637483, 1883830, 2475265, 3274966, 4950530, 8187415, 16374830, 21287279, 42574558, 106436395, 212872790]

約数ペア:

[(1, 212872790), (2, 106436395), (5, 42574558), (10, 21287279), (13, 16374830), (26, 8187415), (43, 4950530), (65, 3274966), (86, 2475265), (113, 1883830), (130, 1637483), (215, 990106), (226, 941915), (337, 631670), (430, 495053), (559, 380810), (565, 376766), (674, 315835), (1118, 190405), (1130, 188383), (1469, 144910), (1685, 126334), (2795, 76162), (2938, 72455), (3370, 63167), (4381, 48590), (4859, 43810), (5590, 38081), (7345, 28982), (8762, 24295), (9718, 21905), (14491, 14690)]