1939777640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1\times {\mathrm{4261}}^1$

素因数の和:4890

約数の個数: 64

約数和(自身を含む): 4602960000

約数和(自身を除く): 2663182360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 599, 760, 1198, 2396, 2995, 4261, 4792, 5990, 8522, 11381, 11980, 17044, 21305, 22762, 23960, 34088, 42610, 45524, 56905, 80959, 85220, 91048, 113810, 161918, 170440, 227620, 323836, 404795, 455240, 647672, 809590, 1619180, 2552339, 3238360, 5104678, 10209356, 12761695, 20418712, 25523390, 48494441, 51046780, 96988882, 102093560, 193977764, 242472205, 387955528, 484944410, 969888820, 1939777640]

約数ペア:

[(1, 1939777640), (2, 969888820), (4, 484944410), (5, 387955528), (8, 242472205), (10, 193977764), (19, 102093560), (20, 96988882), (38, 51046780), (40, 48494441), (76, 25523390), (95, 20418712), (152, 12761695), (190, 10209356), (380, 5104678), (599, 3238360), (760, 2552339), (1198, 1619180), (2396, 809590), (2995, 647672), (4261, 455240), (4792, 404795), (5990, 323836), (8522, 227620), (11381, 170440), (11980, 161918), (17044, 113810), (21305, 91048), (22762, 85220), (23960, 80959), (34088, 56905), (42610, 45524)]