420546

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 64

約数和(自身を含む): 1105920

約数和(自身を除く): 685374

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 31, 34, 38, 42, 51, 57, 62, 93, 102, 114, 119, 133, 186, 217, 238, 266, 323, 357, 399, 434, 527, 589, 646, 651, 714, 798, 969, 1054, 1178, 1302, 1581, 1767, 1938, 2261, 3162, 3534, 3689, 4123, 4522, 6783, 7378, 8246, 10013, 11067, 12369, 13566, 20026, 22134, 24738, 30039, 60078, 70091, 140182, 210273, 420546]

約数ペア:

[(1, 420546), (2, 210273), (3, 140182), (6, 70091), (7, 60078), (14, 30039), (17, 24738), (19, 22134), (21, 20026), (31, 13566), (34, 12369), (38, 11067), (42, 10013), (51, 8246), (57, 7378), (62, 6783), (93, 4522), (102, 4123), (114, 3689), (119, 3534), (133, 3162), (186, 2261), (217, 1938), (238, 1767), (266, 1581), (323, 1302), (357, 1178), (399, 1054), (434, 969), (527, 798), (589, 714), (646, 651)]