720650

素因数分解:

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

素因数の和:119

約数の個数: 48

約数和(自身を含む): 1607040

約数和(自身を除く): 886390

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 71, 142, 145, 175, 203, 290, 350, 355, 406, 497, 710, 725, 994, 1015, 1450, 1775, 2030, 2059, 2485, 3550, 4118, 4970, 5075, 10150, 10295, 12425, 14413, 20590, 24850, 28826, 51475, 72065, 102950, 144130, 360325, 720650]

約数ペア:

[(1, 720650), (2, 360325), (5, 144130), (7, 102950), (10, 72065), (14, 51475), (25, 28826), (29, 24850), (35, 20590), (50, 14413), (58, 12425), (70, 10295), (71, 10150), (142, 5075), (145, 4970), (175, 4118), (203, 3550), (290, 2485), (350, 2059), (355, 2030), (406, 1775), (497, 1450), (710, 1015), (725, 994)]