205665136120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2113}}^1\times {\mathrm{2251}}^1$

素因数の和:4445

約数の個数: 128

約数和(自身を含む): 493592279040

約数和(自身を除く): 287927142920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 920, 940, 1081, 1880, 2113, 2162, 2251, 4226, 4324, 4502, 5405, 8452, 8648, 9004, 10565, 10810, 11255, 16904, 18008, 21130, 21620, 22510, 42260, 43240, 45020, 48599, 51773, 84520, 90040, 97198, 99311, 103546, 105797, 194396, 198622, 207092, 211594, 242995, 258865, 388792, 397244, 414184, 423188, 485990, 496555, 517730, 528985, 794488, 846376, 971980, 993110, 1035460, 1057970, 1943960, 1986220, 2070920, 2115940, 2284153, 2433331, 3972440, 4231880, 4568306, 4756363, 4866662, 9136612, 9512726, 9733324, 11420765, 12166655, 18273224, 19025452, 19466648, 22841530, 23781815, 24333310, 38050904, 45683060, 47563630, 48666620, 91366120, 95127260, 97333240, 109396349, 190254520, 218792698, 223549061, 437585396, 447098122, 546981745, 875170792, 894196244, 1093963490, 1117745305, 1788392488, 2187926980, 2235490610, 4375853960, 4470981220, 5141628403, 8941962440, 10283256806, 20566513612, 25708142015, 41133027224, 51416284030, 102832568060, 205665136120]

約数ペア:

[(1, 205665136120), (2, 102832568060), (4, 51416284030), (5, 41133027224), (8, 25708142015), (10, 20566513612), (20, 10283256806), (23, 8941962440), (40, 5141628403), (46, 4470981220), (47, 4375853960), (92, 2235490610), (94, 2187926980), (115, 1788392488), (184, 1117745305), (188, 1093963490), (230, 894196244), (235, 875170792), (376, 546981745), (460, 447098122), (470, 437585396), (920, 223549061), (940, 218792698), (1081, 190254520), (1880, 109396349), (2113, 97333240), (2162, 95127260), (2251, 91366120), (4226, 48666620), (4324, 47563630), (4502, 45683060), (5405, 38050904), (8452, 24333310), (8648, 23781815), (9004, 22841530), (10565, 19466648), (10810, 19025452), (11255, 18273224), (16904, 12166655), (18008, 11420765), (21130, 9733324), (21620, 9512726), (22510, 9136612), (42260, 4866662), (43240, 4756363), (45020, 4568306), (48599, 4231880), (51773, 3972440), (84520, 2433331), (90040, 2284153), (97198, 2115940), (99311, 2070920), (103546, 1986220), (105797, 1943960), (194396, 1057970), (198622, 1035460), (207092, 993110), (211594, 971980), (242995, 846376), (258865, 794488), (388792, 528985), (397244, 517730), (414184, 496555), (423188, 485990)]