2011201880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:889

約数の個数: 128

約数和(自身を含む): 4931297280

約数和(自身を除く): 2920095400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 97, 115, 124, 155, 184, 194, 230, 248, 310, 388, 460, 485, 620, 713, 727, 776, 920, 970, 1240, 1426, 1454, 1940, 2231, 2852, 2908, 3007, 3565, 3635, 3880, 4462, 5704, 5816, 6014, 7130, 7270, 8924, 11155, 12028, 14260, 14540, 15035, 16721, 17848, 22310, 22537, 24056, 28520, 29080, 30070, 33442, 44620, 45074, 60140, 66884, 69161, 70519, 83605, 89240, 90148, 112685, 120280, 133768, 138322, 141038, 167210, 180296, 225370, 276644, 282076, 334420, 345805, 352595, 450740, 518351, 553288, 564152, 668840, 691610, 705190, 901480, 1036702, 1383220, 1410380, 1621937, 2073404, 2186089, 2591755, 2766440, 2820760, 3243874, 4146808, 4372178, 5183510, 6487748, 8109685, 8744356, 10367020, 10930445, 12975496, 16219370, 17488712, 20734040, 21860890, 32438740, 43721780, 50280047, 64877480, 87443560, 100560094, 201120188, 251400235, 402240376, 502800470, 1005600940, 2011201880]

約数ペア:

[(1, 2011201880), (2, 1005600940), (4, 502800470), (5, 402240376), (8, 251400235), (10, 201120188), (20, 100560094), (23, 87443560), (31, 64877480), (40, 50280047), (46, 43721780), (62, 32438740), (92, 21860890), (97, 20734040), (115, 17488712), (124, 16219370), (155, 12975496), (184, 10930445), (194, 10367020), (230, 8744356), (248, 8109685), (310, 6487748), (388, 5183510), (460, 4372178), (485, 4146808), (620, 3243874), (713, 2820760), (727, 2766440), (776, 2591755), (920, 2186089), (970, 2073404), (1240, 1621937), (1426, 1410380), (1454, 1383220), (1940, 1036702), (2231, 901480), (2852, 705190), (2908, 691610), (3007, 668840), (3565, 564152), (3635, 553288), (3880, 518351), (4462, 450740), (5704, 352595), (5816, 345805), (6014, 334420), (7130, 282076), (7270, 276644), (8924, 225370), (11155, 180296), (12028, 167210), (14260, 141038), (14540, 138322), (15035, 133768), (16721, 120280), (17848, 112685), (22310, 90148), (22537, 89240), (24056, 83605), (28520, 70519), (29080, 69161), (30070, 66884), (33442, 60140), (44620, 45074)]