2019099620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1223}}^1$

素因数の和:1389

約数の個数: 96

約数和(自身を含む): 4594641408

約数和(自身を除く): 2575541788

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 97, 115, 148, 185, 194, 230, 370, 388, 460, 485, 740, 851, 970, 1223, 1702, 1940, 2231, 2446, 3404, 3589, 4255, 4462, 4892, 6115, 7178, 8510, 8924, 11155, 12230, 14356, 17020, 17945, 22310, 24460, 28129, 35890, 44620, 45251, 56258, 71780, 82547, 90502, 112516, 118631, 140645, 165094, 181004, 226255, 237262, 281290, 330188, 412735, 452510, 474524, 562580, 593155, 825470, 905020, 1040773, 1186310, 1650940, 2081546, 2372620, 2728513, 4163092, 4389347, 5203865, 5457026, 8778694, 10407730, 10914052, 13642565, 17557388, 20815460, 21946735, 27285130, 43893470, 54570260, 87786940, 100954981, 201909962, 403819924, 504774905, 1009549810, 2019099620]

約数ペア:

[(1, 2019099620), (2, 1009549810), (4, 504774905), (5, 403819924), (10, 201909962), (20, 100954981), (23, 87786940), (37, 54570260), (46, 43893470), (74, 27285130), (92, 21946735), (97, 20815460), (115, 17557388), (148, 13642565), (185, 10914052), (194, 10407730), (230, 8778694), (370, 5457026), (388, 5203865), (460, 4389347), (485, 4163092), (740, 2728513), (851, 2372620), (970, 2081546), (1223, 1650940), (1702, 1186310), (1940, 1040773), (2231, 905020), (2446, 825470), (3404, 593155), (3589, 562580), (4255, 474524), (4462, 452510), (4892, 412735), (6115, 330188), (7178, 281290), (8510, 237262), (8924, 226255), (11155, 181004), (12230, 165094), (14356, 140645), (17020, 118631), (17945, 112516), (22310, 90502), (24460, 82547), (28129, 71780), (35890, 56258), (44620, 45251)]