289932860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{6659}}^1$

素因数の和:6986

約数の個数: 48

約数和(自身を含む): 698181120

約数和(自身を除く): 408248260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 1244, 1555, 2177, 3110, 4354, 6220, 6659, 8708, 10885, 13318, 21770, 26636, 33295, 43540, 46613, 66590, 93226, 133180, 186452, 233065, 466130, 932260, 2070949, 4141898, 8283796, 10354745, 14496643, 20709490, 28993286, 41418980, 57986572, 72483215, 144966430, 289932860]

約数ペア:

[(1, 289932860), (2, 144966430), (4, 72483215), (5, 57986572), (7, 41418980), (10, 28993286), (14, 20709490), (20, 14496643), (28, 10354745), (35, 8283796), (70, 4141898), (140, 2070949), (311, 932260), (622, 466130), (1244, 233065), (1555, 186452), (2177, 133180), (3110, 93226), (4354, 66590), (6220, 46613), (6659, 43540), (8708, 33295), (10885, 26636), (13318, 21770)]