747600340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 1643049576

約数和(自身を除く): 895449236

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 401, 485, 620, 802, 961, 970, 1604, 1922, 1940, 2005, 3007, 3844, 4010, 4805, 6014, 8020, 9610, 12028, 12431, 15035, 19220, 24862, 30070, 38897, 49724, 60140, 62155, 77794, 93217, 124310, 155588, 186434, 194485, 248620, 372868, 385361, 388970, 466085, 770722, 777940, 932170, 1205807, 1541444, 1864340, 1926805, 2411614, 3853610, 4823228, 6029035, 7707220, 12058070, 24116140, 37380017, 74760034, 149520068, 186900085, 373800170, 747600340]

約数ペア:

[(1, 747600340), (2, 373800170), (4, 186900085), (5, 149520068), (10, 74760034), (20, 37380017), (31, 24116140), (62, 12058070), (97, 7707220), (124, 6029035), (155, 4823228), (194, 3853610), (310, 2411614), (388, 1926805), (401, 1864340), (485, 1541444), (620, 1205807), (802, 932170), (961, 777940), (970, 770722), (1604, 466085), (1922, 388970), (1940, 385361), (2005, 372868), (3007, 248620), (3844, 194485), (4010, 186434), (4805, 155588), (6014, 124310), (8020, 93217), (9610, 77794), (12028, 62155), (12431, 60140), (15035, 49724), (19220, 38897), (24862, 30070)]