288260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 725760

約数和(自身を除く): 437500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 71, 116, 140, 142, 145, 203, 284, 290, 355, 406, 497, 580, 710, 812, 994, 1015, 1420, 1988, 2030, 2059, 2485, 4060, 4118, 4970, 8236, 9940, 10295, 14413, 20590, 28826, 41180, 57652, 72065, 144130, 288260]

約数ペア:

[(1, 288260), (2, 144130), (4, 72065), (5, 57652), (7, 41180), (10, 28826), (14, 20590), (20, 14413), (28, 10295), (29, 9940), (35, 8236), (58, 4970), (70, 4118), (71, 4060), (116, 2485), (140, 2059), (142, 2030), (145, 1988), (203, 1420), (284, 1015), (290, 994), (355, 812), (406, 710), (497, 580)]