287735620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{5527}}^1$

素因数の和:5692

約数の個数: 48

約数和(自身を含む): 640805760

約数和(自身を除く): 353070140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 274, 380, 548, 685, 1370, 2603, 2740, 5206, 5527, 10412, 11054, 13015, 22108, 26030, 27635, 52060, 55270, 105013, 110540, 210026, 420052, 525065, 757199, 1050130, 1514398, 2100260, 3028796, 3785995, 7571990, 14386781, 15143980, 28773562, 57547124, 71933905, 143867810, 287735620]

約数ペア:

[(1, 287735620), (2, 143867810), (4, 71933905), (5, 57547124), (10, 28773562), (19, 15143980), (20, 14386781), (38, 7571990), (76, 3785995), (95, 3028796), (137, 2100260), (190, 1514398), (274, 1050130), (380, 757199), (548, 525065), (685, 420052), (1370, 210026), (2603, 110540), (2740, 105013), (5206, 55270), (5527, 52060), (10412, 27635), (11054, 26030), (13015, 22108)]