77400890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1153}}^1$

素因数の和:1311

約数の個数: 48

約数和(自身を含む): 163392552

約数和(自身を除く): 85991662

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 137, 245, 274, 490, 685, 959, 1153, 1370, 1918, 2306, 4795, 5765, 6713, 8071, 9590, 11530, 13426, 16142, 33565, 40355, 56497, 67130, 80710, 112994, 157961, 282485, 315922, 564970, 789805, 1105727, 1579610, 2211454, 5528635, 7740089, 11057270, 15480178, 38700445, 77400890]

約数ペア:

[(1, 77400890), (2, 38700445), (5, 15480178), (7, 11057270), (10, 7740089), (14, 5528635), (35, 2211454), (49, 1579610), (70, 1105727), (98, 789805), (137, 564970), (245, 315922), (274, 282485), (490, 157961), (685, 112994), (959, 80710), (1153, 67130), (1370, 56497), (1918, 40355), (2306, 33565), (4795, 16142), (5765, 13426), (6713, 11530), (8071, 9590)]