31700360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 76593600

約数和(自身を除く): 44893240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 760, 787, 1007, 1060, 1574, 2014, 2120, 3148, 3935, 4028, 5035, 6296, 7870, 8056, 10070, 14953, 15740, 20140, 29906, 31480, 40280, 41711, 59812, 74765, 83422, 119624, 149530, 166844, 208555, 299060, 333688, 417110, 598120, 792509, 834220, 1585018, 1668440, 3170036, 3962545, 6340072, 7925090, 15850180, 31700360]

約数ペア:

[(1, 31700360), (2, 15850180), (4, 7925090), (5, 6340072), (8, 3962545), (10, 3170036), (19, 1668440), (20, 1585018), (38, 834220), (40, 792509), (53, 598120), (76, 417110), (95, 333688), (106, 299060), (152, 208555), (190, 166844), (212, 149530), (265, 119624), (380, 83422), (424, 74765), (530, 59812), (760, 41711), (787, 40280), (1007, 31480), (1060, 29906), (1574, 20140), (2014, 15740), (2120, 14953), (3148, 10070), (3935, 8056), (4028, 7870), (5035, 6296)]