268866920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{137177}}^1$

素因数の和:137202

約数の個数: 48

約数和(自身を含む): 703723140

約数和(自身を除く): 434856220

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 137177, 274354, 548708, 685885, 960239, 1097416, 1371770, 1920478, 2743540, 3840956, 4801195, 5487080, 6721673, 7681912, 9602390, 13443346, 19204780, 26886692, 33608365, 38409560, 53773384, 67216730, 134433460, 268866920]

約数ペア:

[(1, 268866920), (2, 134433460), (4, 67216730), (5, 53773384), (7, 38409560), (8, 33608365), (10, 26886692), (14, 19204780), (20, 13443346), (28, 9602390), (35, 7681912), (40, 6721673), (49, 5487080), (56, 4801195), (70, 3840956), (98, 2743540), (140, 1920478), (196, 1371770), (245, 1097416), (280, 960239), (392, 685885), (490, 548708), (980, 274354), (1960, 137177)]