220995992

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{907}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 501216000

約数和(自身を除く): 280220008

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 229, 266, 458, 532, 907, 916, 1064, 1603, 1814, 1832, 3206, 3628, 4351, 6349, 6412, 7256, 8702, 12698, 12824, 17233, 17404, 25396, 30457, 34466, 34808, 50792, 60914, 68932, 120631, 121828, 137864, 207703, 241262, 243656, 415406, 482524, 830812, 965048, 1453921, 1661624, 2907842, 3946357, 5815684, 7892714, 11631368, 15785428, 27624499, 31570856, 55248998, 110497996, 220995992]

約数ペア:

[(1, 220995992), (2, 110497996), (4, 55248998), (7, 31570856), (8, 27624499), (14, 15785428), (19, 11631368), (28, 7892714), (38, 5815684), (56, 3946357), (76, 2907842), (133, 1661624), (152, 1453921), (229, 965048), (266, 830812), (458, 482524), (532, 415406), (907, 243656), (916, 241262), (1064, 207703), (1603, 137864), (1814, 121828), (1832, 120631), (3206, 68932), (3628, 60914), (4351, 50792), (6349, 34808), (6412, 34466), (7256, 30457), (8702, 25396), (12698, 17404), (12824, 17233)]