212420912

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 477052800

約数和(自身を除く): 264631888

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 139, 152, 176, 209, 278, 304, 418, 457, 556, 836, 914, 1112, 1529, 1672, 1828, 2224, 2641, 3058, 3344, 3656, 5027, 5282, 6116, 7312, 8683, 10054, 10564, 12232, 17366, 20108, 21128, 24464, 29051, 34732, 40216, 42256, 58102, 63523, 69464, 80432, 95513, 116204, 127046, 138928, 191026, 232408, 254092, 382052, 464816, 508184, 698753, 764104, 1016368, 1206937, 1397506, 1528208, 2413874, 2795012, 4827748, 5590024, 9655496, 11180048, 13276307, 19310992, 26552614, 53105228, 106210456, 212420912]

約数ペア:

[(1, 212420912), (2, 106210456), (4, 53105228), (8, 26552614), (11, 19310992), (16, 13276307), (19, 11180048), (22, 9655496), (38, 5590024), (44, 4827748), (76, 2795012), (88, 2413874), (139, 1528208), (152, 1397506), (176, 1206937), (209, 1016368), (278, 764104), (304, 698753), (418, 508184), (457, 464816), (556, 382052), (836, 254092), (914, 232408), (1112, 191026), (1529, 138928), (1672, 127046), (1828, 116204), (2224, 95513), (2641, 80432), (3058, 69464), (3344, 63523), (3656, 58102), (5027, 42256), (5282, 40216), (6116, 34732), (7312, 29051), (8683, 24464), (10054, 21128), (10564, 20108), (12232, 17366)]