7766990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{131}}^1$

素因数の和:174

約数の個数: 72

約数和(自身を含む): 18012456

約数和(自身を除く): 10245466

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 121, 131, 154, 242, 245, 262, 385, 490, 539, 605, 655, 770, 847, 917, 1078, 1210, 1310, 1441, 1694, 1834, 2695, 2882, 4235, 4585, 5390, 5929, 6419, 7205, 8470, 9170, 10087, 11858, 12838, 14410, 15851, 20174, 29645, 31702, 32095, 50435, 59290, 64190, 70609, 79255, 100870, 110957, 141218, 158510, 221914, 353045, 554785, 706090, 776699, 1109570, 1553398, 3883495, 7766990]

約数ペア:

[(1, 7766990), (2, 3883495), (5, 1553398), (7, 1109570), (10, 776699), (11, 706090), (14, 554785), (22, 353045), (35, 221914), (49, 158510), (55, 141218), (70, 110957), (77, 100870), (98, 79255), (110, 70609), (121, 64190), (131, 59290), (154, 50435), (242, 32095), (245, 31702), (262, 29645), (385, 20174), (490, 15851), (539, 14410), (605, 12838), (655, 11858), (770, 10087), (847, 9170), (917, 8470), (1078, 7205), (1210, 6419), (1310, 5929), (1441, 5390), (1694, 4585), (1834, 4235), (2695, 2882)]