220971410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 465163776

約数和(自身を除く): 244192366

約数列:

[1, 2, 5, 10, 11, 22, 31, 43, 55, 62, 86, 110, 121, 137, 155, 215, 242, 274, 310, 341, 430, 473, 605, 682, 685, 946, 1210, 1333, 1370, 1507, 1705, 2365, 2666, 3014, 3410, 3751, 4247, 4730, 5203, 5891, 6665, 7502, 7535, 8494, 10406, 11782, 13330, 14663, 15070, 16577, 18755, 21235, 26015, 29326, 29455, 33154, 37510, 42470, 46717, 52030, 58910, 64801, 73315, 82885, 93434, 129602, 146630, 161293, 165770, 182621, 233585, 322586, 324005, 365242, 467170, 513887, 648010, 712811, 806465, 913105, 1027774, 1425622, 1612930, 1826210, 2008831, 2569435, 3564055, 4017662, 5138870, 7128110, 10044155, 20088310, 22097141, 44194282, 110485705, 220971410]

約数ペア:

[(1, 220971410), (2, 110485705), (5, 44194282), (10, 22097141), (11, 20088310), (22, 10044155), (31, 7128110), (43, 5138870), (55, 4017662), (62, 3564055), (86, 2569435), (110, 2008831), (121, 1826210), (137, 1612930), (155, 1425622), (215, 1027774), (242, 913105), (274, 806465), (310, 712811), (341, 648010), (430, 513887), (473, 467170), (605, 365242), (682, 324005), (685, 322586), (946, 233585), (1210, 182621), (1333, 165770), (1370, 161293), (1507, 146630), (1705, 129602), (2365, 93434), (2666, 82885), (3014, 73315), (3410, 64801), (3751, 58910), (4247, 52030), (4730, 46717), (5203, 42470), (5891, 37510), (6665, 33154), (7502, 29455), (7535, 29326), (8494, 26015), (10406, 21235), (11782, 18755), (13330, 16577), (14663, 15070)]