74681000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 194088960

約数和(自身を除く): 119407960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 25, 34, 40, 46, 50, 68, 85, 92, 100, 115, 125, 136, 170, 184, 191, 200, 230, 250, 340, 382, 391, 425, 460, 500, 575, 680, 764, 782, 850, 920, 955, 1000, 1150, 1528, 1564, 1700, 1910, 1955, 2125, 2300, 2875, 3128, 3247, 3400, 3820, 3910, 4250, 4393, 4600, 4775, 5750, 6494, 7640, 7820, 8500, 8786, 9550, 9775, 11500, 12988, 15640, 16235, 17000, 17572, 19100, 19550, 21965, 23000, 23875, 25976, 32470, 35144, 38200, 39100, 43930, 47750, 48875, 64940, 74681, 78200, 81175, 87860, 95500, 97750, 109825, 129880, 149362, 162350, 175720, 191000, 195500, 219650, 298724, 324700, 373405, 391000, 405875, 439300, 549125, 597448, 649400, 746810, 811750, 878600, 1098250, 1493620, 1623500, 1867025, 2196500, 2987240, 3247000, 3734050, 4393000, 7468100, 9335125, 14936200, 18670250, 37340500, 74681000]

約数ペア:

[(1, 74681000), (2, 37340500), (4, 18670250), (5, 14936200), (8, 9335125), (10, 7468100), (17, 4393000), (20, 3734050), (23, 3247000), (25, 2987240), (34, 2196500), (40, 1867025), (46, 1623500), (50, 1493620), (68, 1098250), (85, 878600), (92, 811750), (100, 746810), (115, 649400), (125, 597448), (136, 549125), (170, 439300), (184, 405875), (191, 391000), (200, 373405), (230, 324700), (250, 298724), (340, 219650), (382, 195500), (391, 191000), (425, 175720), (460, 162350), (500, 149362), (575, 129880), (680, 109825), (764, 97750), (782, 95500), (850, 87860), (920, 81175), (955, 78200), (1000, 74681), (1150, 64940), (1528, 48875), (1564, 47750), (1700, 43930), (1910, 39100), (1955, 38200), (2125, 35144), (2300, 32470), (2875, 25976), (3128, 23875), (3247, 23000), (3400, 21965), (3820, 19550), (3910, 19100), (4250, 17572), (4393, 17000), (4600, 16235), (4775, 15640), (5750, 12988), (6494, 11500), (7640, 9775), (7820, 9550), (8500, 8786)]