254367680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{113557}}^1$

素因数の和:113581

約数の個数: 56

約数和(自身を含む): 692249568

約数和(自身を除く): 437881888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 113557, 227114, 454228, 567785, 794899, 908456, 1135570, 1589798, 1816912, 2271140, 3179596, 3633824, 3974495, 4542280, 6359192, 7267648, 7948990, 9084560, 12718384, 15897980, 18169120, 25436768, 31795960, 36338240, 50873536, 63591920, 127183840, 254367680]

約数ペア:

[(1, 254367680), (2, 127183840), (4, 63591920), (5, 50873536), (7, 36338240), (8, 31795960), (10, 25436768), (14, 18169120), (16, 15897980), (20, 12718384), (28, 9084560), (32, 7948990), (35, 7267648), (40, 6359192), (56, 4542280), (64, 3974495), (70, 3633824), (80, 3179596), (112, 2271140), (140, 1816912), (160, 1589798), (224, 1135570), (280, 908456), (320, 794899), (448, 567785), (560, 454228), (1120, 227114), (2240, 113557)]