64111250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:477

約数の個数: 80

約数和(自身を含む): 145753344

約数和(自身を除く): 81642094

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 125, 170, 175, 238, 250, 350, 425, 431, 595, 625, 850, 862, 875, 1190, 1250, 1750, 2125, 2155, 2975, 3017, 4250, 4310, 4375, 5950, 6034, 7327, 8750, 10625, 10775, 14654, 14875, 15085, 21250, 21550, 29750, 30170, 36635, 51289, 53875, 73270, 74375, 75425, 102578, 107750, 148750, 150850, 183175, 256445, 269375, 366350, 377125, 512890, 538750, 754250, 915875, 1282225, 1831750, 1885625, 2564450, 3771250, 4579375, 6411125, 9158750, 12822250, 32055625, 64111250]

約数ペア:

[(1, 64111250), (2, 32055625), (5, 12822250), (7, 9158750), (10, 6411125), (14, 4579375), (17, 3771250), (25, 2564450), (34, 1885625), (35, 1831750), (50, 1282225), (70, 915875), (85, 754250), (119, 538750), (125, 512890), (170, 377125), (175, 366350), (238, 269375), (250, 256445), (350, 183175), (425, 150850), (431, 148750), (595, 107750), (625, 102578), (850, 75425), (862, 74375), (875, 73270), (1190, 53875), (1250, 51289), (1750, 36635), (2125, 30170), (2155, 29750), (2975, 21550), (3017, 21250), (4250, 15085), (4310, 14875), (4375, 14654), (5950, 10775), (6034, 10625), (7327, 8750)]