1677699557980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1\times {\mathrm{687317}}^1$

素因数の和:687515

約数の個数: 72

約数和(自身を含む): 3669156417024

約数和(自身を除く): 1991456859044

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 961, 1270, 1922, 2540, 3844, 3937, 4805, 7874, 9610, 15748, 19220, 19685, 39370, 78740, 122047, 244094, 488188, 610235, 687317, 1220470, 1374634, 2440940, 2749268, 3436585, 6873170, 13746340, 21306827, 42613654, 85227308, 87289259, 106534135, 174578518, 213068270, 349157036, 426136540, 436446295, 660511637, 872892590, 1321023274, 1745785180, 2642046548, 2705967029, 3302558185, 5411934058, 6605116370, 10823868116, 13210232740, 13529835145, 27059670290, 54119340580, 83884977899, 167769955798, 335539911596, 419424889495, 838849778990, 1677699557980]

約数ペア:

[(1, 1677699557980), (2, 838849778990), (4, 419424889495), (5, 335539911596), (10, 167769955798), (20, 83884977899), (31, 54119340580), (62, 27059670290), (124, 13529835145), (127, 13210232740), (155, 10823868116), (254, 6605116370), (310, 5411934058), (508, 3302558185), (620, 2705967029), (635, 2642046548), (961, 1745785180), (1270, 1321023274), (1922, 872892590), (2540, 660511637), (3844, 436446295), (3937, 426136540), (4805, 349157036), (7874, 213068270), (9610, 174578518), (15748, 106534135), (19220, 87289259), (19685, 85227308), (39370, 42613654), (78740, 21306827), (122047, 13746340), (244094, 6873170), (488188, 3436585), (610235, 2749268), (687317, 2440940), (1220470, 1374634)]