290378788

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{863}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 593961984

約数和(自身を除く): 303583196

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 197, 244, 394, 427, 788, 854, 863, 1379, 1708, 1726, 2758, 3452, 5516, 6041, 12017, 12082, 24034, 24164, 48068, 52643, 84119, 105286, 168238, 170011, 210572, 336476, 340022, 368501, 680044, 737002, 1190077, 1474004, 2380154, 4760308, 10370671, 20741342, 41482684, 72594697, 145189394, 290378788]

約数ペア:

[(1, 290378788), (2, 145189394), (4, 72594697), (7, 41482684), (14, 20741342), (28, 10370671), (61, 4760308), (122, 2380154), (197, 1474004), (244, 1190077), (394, 737002), (427, 680044), (788, 368501), (854, 340022), (863, 336476), (1379, 210572), (1708, 170011), (1726, 168238), (2758, 105286), (3452, 84119), (5516, 52643), (6041, 48068), (12017, 24164), (12082, 24034)]