140521212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4229}}^1$

素因数の和:4323

約数の個数: 72

約数和(自身を含む): 388009440

約数和(自身を除く): 247488228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 639, 852, 923, 1278, 1846, 2556, 2769, 3692, 4229, 5538, 8307, 8458, 11076, 12687, 16614, 16916, 25374, 33228, 38061, 50748, 54977, 76122, 109954, 152244, 164931, 219908, 300259, 329862, 494793, 600518, 659724, 900777, 989586, 1201036, 1801554, 1979172, 2702331, 3603108, 3903367, 5404662, 7806734, 10809324, 11710101, 15613468, 23420202, 35130303, 46840404, 70260606, 140521212]

約数ペア:

[(1, 140521212), (2, 70260606), (3, 46840404), (4, 35130303), (6, 23420202), (9, 15613468), (12, 11710101), (13, 10809324), (18, 7806734), (26, 5404662), (36, 3903367), (39, 3603108), (52, 2702331), (71, 1979172), (78, 1801554), (117, 1201036), (142, 989586), (156, 900777), (213, 659724), (234, 600518), (284, 494793), (426, 329862), (468, 300259), (639, 219908), (852, 164931), (923, 152244), (1278, 109954), (1846, 76122), (2556, 54977), (2769, 50748), (3692, 38061), (4229, 33228), (5538, 25374), (8307, 16916), (8458, 16614), (11076, 12687)]