8748040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 22752000

約数和(自身を除く): 14003960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 199, 280, 314, 398, 628, 785, 796, 995, 1099, 1256, 1393, 1570, 1592, 1990, 2198, 2786, 3140, 3980, 4396, 5495, 5572, 6280, 6965, 7960, 8792, 10990, 11144, 13930, 21980, 27860, 31243, 43960, 55720, 62486, 124972, 156215, 218701, 249944, 312430, 437402, 624860, 874804, 1093505, 1249720, 1749608, 2187010, 4374020, 8748040]

約数ペア:

[(1, 8748040), (2, 4374020), (4, 2187010), (5, 1749608), (7, 1249720), (8, 1093505), (10, 874804), (14, 624860), (20, 437402), (28, 312430), (35, 249944), (40, 218701), (56, 156215), (70, 124972), (140, 62486), (157, 55720), (199, 43960), (280, 31243), (314, 27860), (398, 21980), (628, 13930), (785, 11144), (796, 10990), (995, 8792), (1099, 7960), (1256, 6965), (1393, 6280), (1570, 5572), (1592, 5495), (1990, 4396), (2198, 3980), (2786, 3140)]