245171810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:843

約数の個数: 64

約数和(自身を含む): 494968320

約数和(自身を除く): 249796510

約数列:

[1, 2, 5, 10, 13, 26, 43, 61, 65, 86, 122, 130, 215, 305, 430, 559, 610, 719, 793, 1118, 1438, 1586, 2623, 2795, 3595, 3965, 5246, 5590, 7190, 7930, 9347, 13115, 18694, 26230, 30917, 34099, 43859, 46735, 61834, 68198, 87718, 93470, 154585, 170495, 219295, 309170, 340990, 401921, 438590, 570167, 803842, 1140334, 1885937, 2009605, 2850835, 3771874, 4019210, 5701670, 9429685, 18859370, 24517181, 49034362, 122585905, 245171810]

約数ペア:

[(1, 245171810), (2, 122585905), (5, 49034362), (10, 24517181), (13, 18859370), (26, 9429685), (43, 5701670), (61, 4019210), (65, 3771874), (86, 2850835), (122, 2009605), (130, 1885937), (215, 1140334), (305, 803842), (430, 570167), (559, 438590), (610, 401921), (719, 340990), (793, 309170), (1118, 219295), (1438, 170495), (1586, 154585), (2623, 93470), (2795, 87718), (3595, 68198), (3965, 61834), (5246, 46735), (5590, 43859), (7190, 34099), (7930, 30917), (9347, 26230), (13115, 18694)]