278380430

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1\times {\mathrm{653}}^1$

素因数の和:1228

約数の個数: 32

約数和(自身を含む): 508550400

約数和(自身を除く): 230169970

約数列:

[1, 2, 5, 10, 89, 178, 445, 479, 653, 890, 958, 1306, 2395, 3265, 4790, 6530, 42631, 58117, 85262, 116234, 213155, 290585, 312787, 426310, 581170, 625574, 1563935, 3127870, 27838043, 55676086, 139190215, 278380430]

約数ペア:

[(1, 278380430), (2, 139190215), (5, 55676086), (10, 27838043), (89, 3127870), (178, 1563935), (445, 625574), (479, 581170), (653, 426310), (890, 312787), (958, 290585), (1306, 213155), (2395, 116234), (3265, 85262), (4790, 58117), (6530, 42631)]