68710250

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 153653760

約数和(自身を除く): 84943510

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 71, 79, 98, 125, 142, 158, 175, 245, 250, 350, 355, 395, 490, 497, 553, 710, 790, 875, 994, 1106, 1225, 1750, 1775, 1975, 2450, 2485, 2765, 3479, 3550, 3871, 3950, 4970, 5530, 5609, 6125, 6958, 7742, 8875, 9875, 11218, 12250, 12425, 13825, 17395, 17750, 19355, 19750, 24850, 27650, 28045, 34790, 38710, 39263, 56090, 62125, 69125, 78526, 86975, 96775, 124250, 138250, 140225, 173950, 193550, 196315, 274841, 280450, 392630, 434875, 483875, 549682, 701125, 869750, 967750, 981575, 1374205, 1402250, 1963150, 2748410, 4907875, 6871025, 9815750, 13742050, 34355125, 68710250]

約数ペア:

[(1, 68710250), (2, 34355125), (5, 13742050), (7, 9815750), (10, 6871025), (14, 4907875), (25, 2748410), (35, 1963150), (49, 1402250), (50, 1374205), (70, 981575), (71, 967750), (79, 869750), (98, 701125), (125, 549682), (142, 483875), (158, 434875), (175, 392630), (245, 280450), (250, 274841), (350, 196315), (355, 193550), (395, 173950), (490, 140225), (497, 138250), (553, 124250), (710, 96775), (790, 86975), (875, 78526), (994, 69125), (1106, 62125), (1225, 56090), (1750, 39263), (1775, 38710), (1975, 34790), (2450, 28045), (2485, 27650), (2765, 24850), (3479, 19750), (3550, 19355), (3871, 17750), (3950, 17395), (4970, 13825), (5530, 12425), (5609, 12250), (6125, 11218), (6958, 9875), (7742, 8875)]