1989332520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139309}}^1$

素因数の和:139347

約数の個数: 128

約数和(自身を含む): 7221830400

約数和(自身を除く): 5232497880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 139309, 278618, 417927, 557236, 696545, 835854, 975163, 1114472, 1393090, 1671708, 1950326, 2089635, 2368253, 2786180, 2925489, 3343416, 3900652, 4179270, 4736506, 4875815, 5572360, 5850978, 7104759, 7801304, 8358540, 9473012, 9751630, 11701956, 11841265, 14209518, 14627445, 16577771, 16717080, 18946024, 19503260, 23403912, 23682530, 28419036, 29254890, 33155542, 35523795, 39006520, 47365060, 49733313, 56838072, 58509780, 66311084, 71047590, 82888855, 94730120, 99466626, 117019560, 132622168, 142095180, 165777710, 198933252, 248666565, 284190360, 331555420, 397866504, 497333130, 663110840, 994666260, 1989332520]

約数ペア:

[(1, 1989332520), (2, 994666260), (3, 663110840), (4, 497333130), (5, 397866504), (6, 331555420), (7, 284190360), (8, 248666565), (10, 198933252), (12, 165777710), (14, 142095180), (15, 132622168), (17, 117019560), (20, 99466626), (21, 94730120), (24, 82888855), (28, 71047590), (30, 66311084), (34, 58509780), (35, 56838072), (40, 49733313), (42, 47365060), (51, 39006520), (56, 35523795), (60, 33155542), (68, 29254890), (70, 28419036), (84, 23682530), (85, 23403912), (102, 19503260), (105, 18946024), (119, 16717080), (120, 16577771), (136, 14627445), (140, 14209518), (168, 11841265), (170, 11701956), (204, 9751630), (210, 9473012), (238, 8358540), (255, 7801304), (280, 7104759), (340, 5850978), (357, 5572360), (408, 4875815), (420, 4736506), (476, 4179270), (510, 3900652), (595, 3343416), (680, 2925489), (714, 2786180), (840, 2368253), (952, 2089635), (1020, 1950326), (1190, 1671708), (1428, 1393090), (1785, 1114472), (2040, 975163), (2380, 835854), (2856, 696545), (3570, 557236), (4760, 417927), (7140, 278618), (14280, 139309)]