64412950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:518

約数の個数: 72

約数和(自身を含む): 141981984

約数和(自身を除く): 77569034

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 61, 70, 98, 122, 175, 245, 305, 350, 427, 431, 490, 610, 854, 862, 1225, 1525, 2135, 2155, 2450, 2989, 3017, 3050, 4270, 4310, 5978, 6034, 10675, 10775, 14945, 15085, 21119, 21350, 21550, 26291, 29890, 30170, 42238, 52582, 74725, 75425, 105595, 131455, 149450, 150850, 184037, 211190, 262910, 368074, 527975, 657275, 920185, 1055950, 1288259, 1314550, 1840370, 2576518, 4600925, 6441295, 9201850, 12882590, 32206475, 64412950]

約数ペア:

[(1, 64412950), (2, 32206475), (5, 12882590), (7, 9201850), (10, 6441295), (14, 4600925), (25, 2576518), (35, 1840370), (49, 1314550), (50, 1288259), (61, 1055950), (70, 920185), (98, 657275), (122, 527975), (175, 368074), (245, 262910), (305, 211190), (350, 184037), (427, 150850), (431, 149450), (490, 131455), (610, 105595), (854, 75425), (862, 74725), (1225, 52582), (1525, 42238), (2135, 30170), (2155, 29890), (2450, 26291), (2989, 21550), (3017, 21350), (3050, 21119), (4270, 15085), (4310, 14945), (5978, 10775), (6034, 10675)]