223863160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{829}}^1$

素因数の和:1040

約数の個数: 64

約数和(自身を含む): 519314400

約数和(自身を除く): 295451240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 157, 172, 215, 314, 344, 430, 628, 785, 829, 860, 1256, 1570, 1658, 1720, 3140, 3316, 4145, 6280, 6632, 6751, 8290, 13502, 16580, 27004, 33160, 33755, 35647, 54008, 67510, 71294, 130153, 135020, 142588, 178235, 260306, 270040, 285176, 356470, 520612, 650765, 712940, 1041224, 1301530, 1425880, 2603060, 5206120, 5596579, 11193158, 22386316, 27982895, 44772632, 55965790, 111931580, 223863160]

約数ペア:

[(1, 223863160), (2, 111931580), (4, 55965790), (5, 44772632), (8, 27982895), (10, 22386316), (20, 11193158), (40, 5596579), (43, 5206120), (86, 2603060), (157, 1425880), (172, 1301530), (215, 1041224), (314, 712940), (344, 650765), (430, 520612), (628, 356470), (785, 285176), (829, 270040), (860, 260306), (1256, 178235), (1570, 142588), (1658, 135020), (1720, 130153), (3140, 71294), (3316, 67510), (4145, 54008), (6280, 35647), (6632, 33755), (6751, 33160), (8290, 27004), (13502, 16580)]