4902161720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:529

約数の個数: 128

約数和(自身を含む): 11562566400

約数和(自身を除く): 6660404680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 79, 82, 157, 158, 164, 205, 241, 314, 316, 328, 395, 410, 482, 628, 632, 785, 790, 820, 964, 1205, 1256, 1570, 1580, 1640, 1928, 2410, 3140, 3160, 3239, 4820, 6280, 6437, 6478, 9640, 9881, 12403, 12874, 12956, 16195, 19039, 19762, 24806, 25748, 25912, 32185, 32390, 37837, 38078, 39524, 49405, 49612, 51496, 62015, 64370, 64780, 75674, 76156, 79048, 95195, 98810, 99224, 124030, 128740, 129560, 151348, 152312, 189185, 190390, 197620, 248060, 257480, 302696, 378370, 380780, 395240, 496120, 508523, 756740, 761560, 780599, 1017046, 1513480, 1551317, 1561198, 2034092, 2542615, 2989123, 3102634, 3122396, 3902995, 4068184, 5085230, 5978246, 6205268, 6244792, 7756585, 7805990, 10170460, 11956492, 12410536, 14945615, 15513170, 15611980, 20340920, 23912984, 29891230, 31026340, 31223960, 59782460, 62052680, 119564920, 122554043, 245108086, 490216172, 612770215, 980432344, 1225540430, 2451080860, 4902161720]

約数ペア:

[(1, 4902161720), (2, 2451080860), (4, 1225540430), (5, 980432344), (8, 612770215), (10, 490216172), (20, 245108086), (40, 122554043), (41, 119564920), (79, 62052680), (82, 59782460), (157, 31223960), (158, 31026340), (164, 29891230), (205, 23912984), (241, 20340920), (314, 15611980), (316, 15513170), (328, 14945615), (395, 12410536), (410, 11956492), (482, 10170460), (628, 7805990), (632, 7756585), (785, 6244792), (790, 6205268), (820, 5978246), (964, 5085230), (1205, 4068184), (1256, 3902995), (1570, 3122396), (1580, 3102634), (1640, 2989123), (1928, 2542615), (2410, 2034092), (3140, 1561198), (3160, 1551317), (3239, 1513480), (4820, 1017046), (6280, 780599), (6437, 761560), (6478, 756740), (9640, 508523), (9881, 496120), (12403, 395240), (12874, 380780), (12956, 378370), (16195, 302696), (19039, 257480), (19762, 248060), (24806, 197620), (25748, 190390), (25912, 189185), (32185, 152312), (32390, 151348), (37837, 129560), (38078, 128740), (39524, 124030), (49405, 99224), (49612, 98810), (51496, 95195), (62015, 79048), (64370, 76156), (64780, 75674)]