248837560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{727}}^1$

素因数の和:980

約数の個数: 64

約数和(自身を含む): 576576000

約数和(自身を除く): 327738440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 199, 215, 344, 398, 430, 727, 796, 860, 995, 1454, 1592, 1720, 1990, 2908, 3635, 3980, 5816, 7270, 7960, 8557, 14540, 17114, 29080, 31261, 34228, 42785, 62522, 68456, 85570, 125044, 144673, 156305, 171140, 250088, 289346, 312610, 342280, 578692, 625220, 723365, 1157384, 1250440, 1446730, 2893460, 5786920, 6220939, 12441878, 24883756, 31104695, 49767512, 62209390, 124418780, 248837560]

約数ペア:

[(1, 248837560), (2, 124418780), (4, 62209390), (5, 49767512), (8, 31104695), (10, 24883756), (20, 12441878), (40, 6220939), (43, 5786920), (86, 2893460), (172, 1446730), (199, 1250440), (215, 1157384), (344, 723365), (398, 625220), (430, 578692), (727, 342280), (796, 312610), (860, 289346), (995, 250088), (1454, 171140), (1592, 156305), (1720, 144673), (1990, 125044), (2908, 85570), (3635, 68456), (3980, 62522), (5816, 42785), (7270, 34228), (7960, 31261), (8557, 29080), (14540, 17114)]