31387400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1297}}^1$

素因数の和:1335

約数の個数: 72

約数和(自身を含む): 80274810

約数和(自身を除く): 48887410

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 242, 275, 440, 484, 550, 605, 968, 1100, 1210, 1297, 2200, 2420, 2594, 3025, 4840, 5188, 6050, 6485, 10376, 12100, 12970, 14267, 24200, 25940, 28534, 32425, 51880, 57068, 64850, 71335, 114136, 129700, 142670, 156937, 259400, 285340, 313874, 356675, 570680, 627748, 713350, 784685, 1255496, 1426700, 1569370, 2853400, 3138740, 3923425, 6277480, 7846850, 15693700, 31387400]

約数ペア:

[(1, 31387400), (2, 15693700), (4, 7846850), (5, 6277480), (8, 3923425), (10, 3138740), (11, 2853400), (20, 1569370), (22, 1426700), (25, 1255496), (40, 784685), (44, 713350), (50, 627748), (55, 570680), (88, 356675), (100, 313874), (110, 285340), (121, 259400), (200, 156937), (220, 142670), (242, 129700), (275, 114136), (440, 71335), (484, 64850), (550, 57068), (605, 51880), (968, 32425), (1100, 28534), (1210, 25940), (1297, 24200), (2200, 14267), (2420, 12970), (2594, 12100), (3025, 10376), (4840, 6485), (5188, 6050)]