29905780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 64910160

約数和(自身を除く): 35004380

約数列:

[1, 2, 4, 5, 10, 20, 53, 89, 106, 178, 212, 265, 317, 356, 445, 530, 634, 890, 1060, 1268, 1585, 1780, 3170, 4717, 6340, 9434, 16801, 18868, 23585, 28213, 33602, 47170, 56426, 67204, 84005, 94340, 112852, 141065, 168010, 282130, 336020, 564260, 1495289, 2990578, 5981156, 7476445, 14952890, 29905780]

約数ペア:

[(1, 29905780), (2, 14952890), (4, 7476445), (5, 5981156), (10, 2990578), (20, 1495289), (53, 564260), (89, 336020), (106, 282130), (178, 168010), (212, 141065), (265, 112852), (317, 94340), (356, 84005), (445, 67204), (530, 56426), (634, 47170), (890, 33602), (1060, 28213), (1268, 23585), (1585, 18868), (1780, 16801), (3170, 9434), (4717, 6340)]