840338356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1105

約数の個数: 96

約数和(自身を含む): 1851776640

約数和(自身を除く): 1011438284

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 89, 143, 178, 187, 221, 286, 356, 374, 442, 572, 748, 884, 971, 979, 1157, 1513, 1942, 1958, 2314, 2431, 3026, 3884, 3916, 4628, 4862, 6052, 9724, 10681, 12623, 12727, 16507, 16643, 19669, 21362, 25246, 25454, 33014, 33286, 39338, 42724, 50492, 50908, 66028, 66572, 78676, 86419, 138853, 172838, 181577, 214591, 216359, 277706, 345676, 363154, 429182, 432718, 555412, 726308, 858364, 865436, 950609, 1123447, 1469123, 1901218, 2246894, 2360501, 2938246, 3802436, 4493788, 4721002, 5876492, 9442004, 12357917, 16160353, 19098599, 24715834, 32320706, 38197198, 49431668, 64641412, 76394396, 210084589, 420169178, 840338356]

約数ペア:

[(1, 840338356), (2, 420169178), (4, 210084589), (11, 76394396), (13, 64641412), (17, 49431668), (22, 38197198), (26, 32320706), (34, 24715834), (44, 19098599), (52, 16160353), (68, 12357917), (89, 9442004), (143, 5876492), (178, 4721002), (187, 4493788), (221, 3802436), (286, 2938246), (356, 2360501), (374, 2246894), (442, 1901218), (572, 1469123), (748, 1123447), (884, 950609), (971, 865436), (979, 858364), (1157, 726308), (1513, 555412), (1942, 432718), (1958, 429182), (2314, 363154), (2431, 345676), (3026, 277706), (3884, 216359), (3916, 214591), (4628, 181577), (4862, 172838), (6052, 138853), (9724, 86419), (10681, 78676), (12623, 66572), (12727, 66028), (16507, 50908), (16643, 50492), (19669, 42724), (21362, 39338), (25246, 33286), (25454, 33014)]