18958948900

素因数分解:

$2^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{199}}^1\times {\mathrm{5507}}^1$

素因数の和:5893

約数の個数: 72

約数和(自身を含む): 41594212800

約数和(自身を除く): 22635263900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 173, 199, 346, 398, 692, 796, 865, 995, 1730, 1990, 3460, 3980, 4325, 4975, 5507, 8650, 9950, 11014, 17300, 19900, 22028, 27535, 34427, 55070, 68854, 110140, 137675, 137708, 172135, 275350, 344270, 550700, 688540, 860675, 952711, 1095893, 1721350, 1905422, 2191786, 3442700, 3810844, 4383572, 4763555, 5479465, 9527110, 10958930, 19054220, 21917860, 23817775, 27397325, 47635550, 54794650, 95271100, 109589300, 189589489, 379178978, 758357956, 947947445, 1895894890, 3791789780, 4739737225, 9479474450, 18958948900]

約数ペア:

[(1, 18958948900), (2, 9479474450), (4, 4739737225), (5, 3791789780), (10, 1895894890), (20, 947947445), (25, 758357956), (50, 379178978), (100, 189589489), (173, 109589300), (199, 95271100), (346, 54794650), (398, 47635550), (692, 27397325), (796, 23817775), (865, 21917860), (995, 19054220), (1730, 10958930), (1990, 9527110), (3460, 5479465), (3980, 4763555), (4325, 4383572), (4975, 3810844), (5507, 3442700), (8650, 2191786), (9950, 1905422), (11014, 1721350), (17300, 1095893), (19900, 952711), (22028, 860675), (27535, 688540), (34427, 550700), (55070, 344270), (68854, 275350), (110140, 172135), (137675, 137708)]