77996930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 160496640

約数和(自身を除く): 82499710

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 89, 110, 155, 178, 257, 310, 341, 445, 514, 682, 890, 979, 1285, 1705, 1958, 2570, 2759, 2827, 3410, 4895, 5518, 5654, 7967, 9790, 13795, 14135, 15934, 22873, 27590, 28270, 30349, 39835, 45746, 60698, 79670, 87637, 114365, 151745, 175274, 228730, 251603, 303490, 438185, 503206, 709063, 876370, 1258015, 1418126, 2516030, 3545315, 7090630, 7799693, 15599386, 38998465, 77996930]

約数ペア:

[(1, 77996930), (2, 38998465), (5, 15599386), (10, 7799693), (11, 7090630), (22, 3545315), (31, 2516030), (55, 1418126), (62, 1258015), (89, 876370), (110, 709063), (155, 503206), (178, 438185), (257, 303490), (310, 251603), (341, 228730), (445, 175274), (514, 151745), (682, 114365), (890, 87637), (979, 79670), (1285, 60698), (1705, 45746), (1958, 39835), (2570, 30349), (2759, 28270), (2827, 27590), (3410, 22873), (4895, 15934), (5518, 14135), (5654, 13795), (7967, 9790)]