316505980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{9007}}^1$

素因数の和:9274

約数の個数: 48

約数和(自身を含む): 762725376

約数和(自身を除く): 446219396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2510, 3514, 5020, 7028, 8785, 9007, 17570, 18014, 35140, 36028, 45035, 63049, 90070, 126098, 180140, 252196, 315245, 630490, 1260980, 2260757, 4521514, 9043028, 11303785, 15825299, 22607570, 31650598, 45215140, 63301196, 79126495, 158252990, 316505980]

約数ペア:

[(1, 316505980), (2, 158252990), (4, 79126495), (5, 63301196), (7, 45215140), (10, 31650598), (14, 22607570), (20, 15825299), (28, 11303785), (35, 9043028), (70, 4521514), (140, 2260757), (251, 1260980), (502, 630490), (1004, 315245), (1255, 252196), (1757, 180140), (2510, 126098), (3514, 90070), (5020, 63049), (7028, 45035), (8785, 36028), (9007, 35140), (17570, 18014)]