21130180600

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{31547}}^1$

素因数の和:31777

約数の個数: 96

約数和(自身を含む): 52283238480

約数和(自身を除く): 31153057880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 197, 200, 340, 394, 425, 680, 788, 850, 985, 1576, 1700, 1970, 3349, 3400, 3940, 4925, 6698, 7880, 9850, 13396, 16745, 19700, 26792, 31547, 33490, 39400, 63094, 66980, 83725, 126188, 133960, 157735, 167450, 252376, 315470, 334900, 536299, 630940, 669800, 788675, 1072598, 1261880, 1577350, 2145196, 2681495, 3154700, 4290392, 5362990, 6214759, 6309400, 10725980, 12429518, 13407475, 21451960, 24859036, 26814950, 31073795, 49718072, 53629900, 62147590, 105650903, 107259800, 124295180, 155368975, 211301806, 248590360, 310737950, 422603612, 528254515, 621475900, 845207224, 1056509030, 1242951800, 2113018060, 2641272575, 4226036120, 5282545150, 10565090300, 21130180600]

約数ペア:

[(1, 21130180600), (2, 10565090300), (4, 5282545150), (5, 4226036120), (8, 2641272575), (10, 2113018060), (17, 1242951800), (20, 1056509030), (25, 845207224), (34, 621475900), (40, 528254515), (50, 422603612), (68, 310737950), (85, 248590360), (100, 211301806), (136, 155368975), (170, 124295180), (197, 107259800), (200, 105650903), (340, 62147590), (394, 53629900), (425, 49718072), (680, 31073795), (788, 26814950), (850, 24859036), (985, 21451960), (1576, 13407475), (1700, 12429518), (1970, 10725980), (3349, 6309400), (3400, 6214759), (3940, 5362990), (4925, 4290392), (6698, 3154700), (7880, 2681495), (9850, 2145196), (13396, 1577350), (16745, 1261880), (19700, 1072598), (26792, 788675), (31547, 669800), (33490, 630940), (39400, 536299), (63094, 334900), (66980, 315470), (83725, 252376), (126188, 167450), (133960, 157735)]