291442480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{520433}}^1$

素因数の和:520453

約数の個数: 40

約数和(自身を含む): 774405792

約数和(自身を除く): 482963312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 520433, 1040866, 2081732, 2602165, 3643031, 4163464, 5204330, 7286062, 8326928, 10408660, 14572124, 18215155, 20817320, 29144248, 36430310, 41634640, 58288496, 72860620, 145721240, 291442480]

約数ペア:

[(1, 291442480), (2, 145721240), (4, 72860620), (5, 58288496), (7, 41634640), (8, 36430310), (10, 29144248), (14, 20817320), (16, 18215155), (20, 14572124), (28, 10408660), (35, 8326928), (40, 7286062), (56, 5204330), (70, 4163464), (80, 3643031), (112, 2602165), (140, 2081732), (280, 1040866), (560, 520433)]