207918500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:498

約数の個数: 96

約数和(自身を含む): 489906144

約数和(自身を除く): 281987644

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 61, 68, 85, 100, 122, 125, 170, 244, 250, 305, 340, 401, 425, 500, 610, 802, 850, 1037, 1220, 1525, 1604, 1700, 2005, 2074, 2125, 3050, 4010, 4148, 4250, 5185, 6100, 6817, 7625, 8020, 8500, 10025, 10370, 13634, 15250, 20050, 20740, 24461, 25925, 27268, 30500, 34085, 40100, 48922, 50125, 51850, 68170, 97844, 100250, 103700, 122305, 129625, 136340, 170425, 200500, 244610, 259250, 340850, 415837, 489220, 518500, 611525, 681700, 831674, 852125, 1223050, 1663348, 1704250, 2079185, 2446100, 3057625, 3408500, 4158370, 6115250, 8316740, 10395925, 12230500, 20791850, 41583700, 51979625, 103959250, 207918500]

約数ペア:

[(1, 207918500), (2, 103959250), (4, 51979625), (5, 41583700), (10, 20791850), (17, 12230500), (20, 10395925), (25, 8316740), (34, 6115250), (50, 4158370), (61, 3408500), (68, 3057625), (85, 2446100), (100, 2079185), (122, 1704250), (125, 1663348), (170, 1223050), (244, 852125), (250, 831674), (305, 681700), (340, 611525), (401, 518500), (425, 489220), (500, 415837), (610, 340850), (802, 259250), (850, 244610), (1037, 200500), (1220, 170425), (1525, 136340), (1604, 129625), (1700, 122305), (2005, 103700), (2074, 100250), (2125, 97844), (3050, 68170), (4010, 51850), (4148, 50125), (4250, 48922), (5185, 40100), (6100, 34085), (6817, 30500), (7625, 27268), (8020, 25925), (8500, 24461), (10025, 20740), (10370, 20050), (13634, 15250)]