2019986500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1091}}^1$

素因数の和:1163

約数の個数: 144

約数和(自身を含む): 5275460736

約数和(自身を除く): 3255474236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 125, 140, 161, 175, 230, 250, 322, 350, 460, 500, 529, 575, 644, 700, 805, 875, 1058, 1091, 1150, 1610, 1750, 2116, 2182, 2300, 2645, 2875, 3220, 3500, 3703, 4025, 4364, 5290, 5455, 5750, 7406, 7637, 8050, 10580, 10910, 11500, 13225, 14812, 15274, 16100, 18515, 20125, 21820, 25093, 26450, 27275, 30548, 37030, 38185, 40250, 50186, 52900, 54550, 66125, 74060, 76370, 80500, 92575, 100372, 109100, 125465, 132250, 136375, 152740, 175651, 185150, 190925, 250930, 264500, 272750, 351302, 370300, 381850, 462875, 501860, 545500, 577139, 627325, 702604, 763700, 878255, 925750, 954625, 1154278, 1254650, 1756510, 1851500, 1909250, 2308556, 2509300, 2885695, 3136625, 3513020, 3818500, 4039973, 4391275, 5771390, 6273250, 8079946, 8782550, 11542780, 12546500, 14428475, 16159892, 17565100, 20199865, 21956375, 28856950, 40399730, 43912750, 57713900, 72142375, 80799460, 87825500, 100999325, 144284750, 201998650, 288569500, 403997300, 504996625, 1009993250, 2019986500]

約数ペア:

[(1, 2019986500), (2, 1009993250), (4, 504996625), (5, 403997300), (7, 288569500), (10, 201998650), (14, 144284750), (20, 100999325), (23, 87825500), (25, 80799460), (28, 72142375), (35, 57713900), (46, 43912750), (50, 40399730), (70, 28856950), (92, 21956375), (100, 20199865), (115, 17565100), (125, 16159892), (140, 14428475), (161, 12546500), (175, 11542780), (230, 8782550), (250, 8079946), (322, 6273250), (350, 5771390), (460, 4391275), (500, 4039973), (529, 3818500), (575, 3513020), (644, 3136625), (700, 2885695), (805, 2509300), (875, 2308556), (1058, 1909250), (1091, 1851500), (1150, 1756510), (1610, 1254650), (1750, 1154278), (2116, 954625), (2182, 925750), (2300, 878255), (2645, 763700), (2875, 702604), (3220, 627325), (3500, 577139), (3703, 545500), (4025, 501860), (4364, 462875), (5290, 381850), (5455, 370300), (5750, 351302), (7406, 272750), (7637, 264500), (8050, 250930), (10580, 190925), (10910, 185150), (11500, 175651), (13225, 152740), (14812, 136375), (15274, 132250), (16100, 125465), (18515, 109100), (20125, 100372), (21820, 92575), (25093, 80500), (26450, 76370), (27275, 74060), (30548, 66125), (37030, 54550), (38185, 52900), (40250, 50186)]