201994740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 647232768

約数和(自身を除く): 445238028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 97, 115, 138, 180, 194, 207, 230, 276, 291, 345, 388, 414, 460, 485, 503, 582, 690, 828, 873, 970, 1006, 1035, 1164, 1380, 1455, 1509, 1746, 1940, 2012, 2070, 2231, 2515, 2910, 3018, 3492, 4140, 4365, 4462, 4527, 5030, 5820, 6036, 6693, 7545, 8730, 8924, 9054, 10060, 11155, 11569, 13386, 15090, 17460, 18108, 20079, 22310, 22635, 23138, 26772, 30180, 33465, 34707, 40158, 44620, 45270, 46276, 48791, 57845, 66930, 69414, 80316, 90540, 97582, 100395, 104121, 115690, 133860, 138828, 146373, 173535, 195164, 200790, 208242, 231380, 243955, 292746, 347070, 401580, 416484, 439119, 487910, 520605, 585492, 694140, 731865, 878238, 975820, 1041210, 1122193, 1463730, 1756476, 2082420, 2195595, 2244386, 2927460, 3366579, 4391190, 4488772, 5610965, 6733158, 8782380, 10099737, 11221930, 13466316, 16832895, 20199474, 22443860, 33665790, 40398948, 50498685, 67331580, 100997370, 201994740]

約数ペア:

[(1, 201994740), (2, 100997370), (3, 67331580), (4, 50498685), (5, 40398948), (6, 33665790), (9, 22443860), (10, 20199474), (12, 16832895), (15, 13466316), (18, 11221930), (20, 10099737), (23, 8782380), (30, 6733158), (36, 5610965), (45, 4488772), (46, 4391190), (60, 3366579), (69, 2927460), (90, 2244386), (92, 2195595), (97, 2082420), (115, 1756476), (138, 1463730), (180, 1122193), (194, 1041210), (207, 975820), (230, 878238), (276, 731865), (291, 694140), (345, 585492), (388, 520605), (414, 487910), (460, 439119), (485, 416484), (503, 401580), (582, 347070), (690, 292746), (828, 243955), (873, 231380), (970, 208242), (1006, 200790), (1035, 195164), (1164, 173535), (1380, 146373), (1455, 138828), (1509, 133860), (1746, 115690), (1940, 104121), (2012, 100395), (2070, 97582), (2231, 90540), (2515, 80316), (2910, 69414), (3018, 66930), (3492, 57845), (4140, 48791), (4365, 46276), (4462, 45270), (4527, 44620), (5030, 40158), (5820, 34707), (6036, 33465), (6693, 30180), (7545, 26772), (8730, 23138), (8924, 22635), (9054, 22310), (10060, 20079), (11155, 18108), (11569, 17460), (13386, 15090)]