225513508

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 462520800

約数和(自身を除く): 237007292

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 137, 179, 209, 242, 274, 358, 418, 484, 548, 716, 836, 1507, 1969, 2299, 2603, 3014, 3401, 3938, 4598, 5206, 6028, 6802, 7876, 9196, 10412, 13604, 16577, 21659, 24523, 28633, 33154, 37411, 43318, 49046, 57266, 66308, 74822, 86636, 98092, 114532, 149644, 269753, 314963, 411521, 465937, 539506, 629926, 823042, 931874, 1079012, 1259852, 1646084, 1863748, 2967283, 5125307, 5934566, 10250614, 11869132, 20501228, 56378377, 112756754, 225513508]

約数ペア:

[(1, 225513508), (2, 112756754), (4, 56378377), (11, 20501228), (19, 11869132), (22, 10250614), (38, 5934566), (44, 5125307), (76, 2967283), (121, 1863748), (137, 1646084), (179, 1259852), (209, 1079012), (242, 931874), (274, 823042), (358, 629926), (418, 539506), (484, 465937), (548, 411521), (716, 314963), (836, 269753), (1507, 149644), (1969, 114532), (2299, 98092), (2603, 86636), (3014, 74822), (3401, 66308), (3938, 57266), (4598, 49046), (5206, 43318), (6028, 37411), (6802, 33154), (7876, 28633), (9196, 24523), (10412, 21659), (13604, 16577)]