77550220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 186955776

約数和(自身を除く): 109405556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 83, 110, 124, 137, 155, 166, 220, 274, 310, 332, 341, 415, 548, 620, 682, 685, 830, 913, 1364, 1370, 1507, 1660, 1705, 1826, 2573, 2740, 3014, 3410, 3652, 4247, 4565, 5146, 6028, 6820, 7535, 8494, 9130, 10292, 11371, 12865, 15070, 16988, 18260, 21235, 22742, 25730, 28303, 30140, 42470, 45484, 46717, 51460, 56606, 56855, 84940, 93434, 113212, 113710, 125081, 141515, 186868, 227420, 233585, 250162, 283030, 352501, 467170, 500324, 566060, 625405, 705002, 934340, 1250810, 1410004, 1762505, 2501620, 3525010, 3877511, 7050020, 7755022, 15510044, 19387555, 38775110, 77550220]

約数ペア:

[(1, 77550220), (2, 38775110), (4, 19387555), (5, 15510044), (10, 7755022), (11, 7050020), (20, 3877511), (22, 3525010), (31, 2501620), (44, 1762505), (55, 1410004), (62, 1250810), (83, 934340), (110, 705002), (124, 625405), (137, 566060), (155, 500324), (166, 467170), (220, 352501), (274, 283030), (310, 250162), (332, 233585), (341, 227420), (415, 186868), (548, 141515), (620, 125081), (682, 113710), (685, 113212), (830, 93434), (913, 84940), (1364, 56855), (1370, 56606), (1507, 51460), (1660, 46717), (1705, 45484), (1826, 42470), (2573, 30140), (2740, 28303), (3014, 25730), (3410, 22742), (3652, 21235), (4247, 18260), (4565, 16988), (5146, 15070), (6028, 12865), (6820, 11371), (7535, 10292), (8494, 9130)]