7901720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 19288800

約数和(自身を除く): 11387080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 281, 296, 370, 380, 562, 703, 740, 760, 1124, 1405, 1406, 1480, 2248, 2810, 2812, 3515, 5339, 5620, 5624, 7030, 10397, 10678, 11240, 14060, 20794, 21356, 26695, 28120, 41588, 42712, 51985, 53390, 83176, 103970, 106780, 197543, 207940, 213560, 395086, 415880, 790172, 987715, 1580344, 1975430, 3950860, 7901720]

約数ペア:

[(1, 7901720), (2, 3950860), (4, 1975430), (5, 1580344), (8, 987715), (10, 790172), (19, 415880), (20, 395086), (37, 213560), (38, 207940), (40, 197543), (74, 106780), (76, 103970), (95, 83176), (148, 53390), (152, 51985), (185, 42712), (190, 41588), (281, 28120), (296, 26695), (370, 21356), (380, 20794), (562, 14060), (703, 11240), (740, 10678), (760, 10397), (1124, 7030), (1405, 5624), (1406, 5620), (1480, 5339), (2248, 3515), (2810, 2812)]