2430890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1$

素因数の和:84

約数の個数: 72

約数和(自身を含む): 5731236

約数和(自身を除く): 3300346

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 41, 49, 55, 70, 77, 82, 98, 110, 121, 154, 205, 242, 245, 287, 385, 410, 451, 490, 539, 574, 605, 770, 847, 902, 1078, 1210, 1435, 1694, 2009, 2255, 2695, 2870, 3157, 4018, 4235, 4510, 4961, 5390, 5929, 6314, 8470, 9922, 10045, 11858, 15785, 20090, 22099, 24805, 29645, 31570, 34727, 44198, 49610, 59290, 69454, 110495, 173635, 220990, 243089, 347270, 486178, 1215445, 2430890]

約数ペア:

[(1, 2430890), (2, 1215445), (5, 486178), (7, 347270), (10, 243089), (11, 220990), (14, 173635), (22, 110495), (35, 69454), (41, 59290), (49, 49610), (55, 44198), (70, 34727), (77, 31570), (82, 29645), (98, 24805), (110, 22099), (121, 20090), (154, 15785), (205, 11858), (242, 10045), (245, 9922), (287, 8470), (385, 6314), (410, 5929), (451, 5390), (490, 4961), (539, 4510), (574, 4235), (605, 4018), (770, 3157), (847, 2870), (902, 2695), (1078, 2255), (1210, 2009), (1435, 1694)]