199712040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7963}}^1$

素因数の和:8007

約数の個数: 128

約数和(自身を含む): 688089600

約数和(自身を除く): 488377560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 836, 1045, 1140, 1254, 1320, 1672, 2090, 2280, 2508, 3135, 4180, 5016, 6270, 7963, 8360, 12540, 15926, 23889, 25080, 31852, 39815, 47778, 63704, 79630, 87593, 95556, 119445, 151297, 159260, 175186, 191112, 238890, 262779, 302594, 318520, 350372, 437965, 453891, 477780, 525558, 605188, 700744, 756485, 875930, 907782, 955560, 1051116, 1210376, 1313895, 1512970, 1664267, 1751860, 1815564, 2102232, 2269455, 2627790, 3025940, 3328534, 3503720, 3631128, 4538910, 4992801, 5255580, 6051880, 6657068, 8321335, 9077820, 9985602, 10511160, 13314136, 16642670, 18155640, 19971204, 24964005, 33285340, 39942408, 49928010, 66570680, 99856020, 199712040]

約数ペア:

[(1, 199712040), (2, 99856020), (3, 66570680), (4, 49928010), (5, 39942408), (6, 33285340), (8, 24964005), (10, 19971204), (11, 18155640), (12, 16642670), (15, 13314136), (19, 10511160), (20, 9985602), (22, 9077820), (24, 8321335), (30, 6657068), (33, 6051880), (38, 5255580), (40, 4992801), (44, 4538910), (55, 3631128), (57, 3503720), (60, 3328534), (66, 3025940), (76, 2627790), (88, 2269455), (95, 2102232), (110, 1815564), (114, 1751860), (120, 1664267), (132, 1512970), (152, 1313895), (165, 1210376), (190, 1051116), (209, 955560), (220, 907782), (228, 875930), (264, 756485), (285, 700744), (330, 605188), (380, 525558), (418, 477780), (440, 453891), (456, 437965), (570, 350372), (627, 318520), (660, 302594), (760, 262779), (836, 238890), (1045, 191112), (1140, 175186), (1254, 159260), (1320, 151297), (1672, 119445), (2090, 95556), (2280, 87593), (2508, 79630), (3135, 63704), (4180, 47778), (5016, 39815), (6270, 31852), (7963, 25080), (8360, 23889), (12540, 15926)]