784625780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{8317}}^1$

素因数の和:8468

約数の個数: 48

約数和(自身を含む): 1697870160

約数和(自身を除く): 913244380

約数列:

[1, 2, 4, 5, 10, 20, 53, 89, 106, 178, 212, 265, 356, 445, 530, 890, 1060, 1780, 4717, 8317, 9434, 16634, 18868, 23585, 33268, 41585, 47170, 83170, 94340, 166340, 440801, 740213, 881602, 1480426, 1763204, 2204005, 2960852, 3701065, 4408010, 7402130, 8816020, 14804260, 39231289, 78462578, 156925156, 196156445, 392312890, 784625780]

約数ペア:

[(1, 784625780), (2, 392312890), (4, 196156445), (5, 156925156), (10, 78462578), (20, 39231289), (53, 14804260), (89, 8816020), (106, 7402130), (178, 4408010), (212, 3701065), (265, 2960852), (356, 2204005), (445, 1763204), (530, 1480426), (890, 881602), (1060, 740213), (1780, 440801), (4717, 166340), (8317, 94340), (9434, 83170), (16634, 47170), (18868, 41585), (23585, 33268)]