202996990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{673}}^1$

素因数の和:857

約数の個数: 64

約数和(自身を含む): 434810880

約数和(自身を除く): 231813890

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 139, 155, 217, 278, 310, 434, 673, 695, 973, 1085, 1346, 1390, 1946, 2170, 3365, 4309, 4711, 4865, 6730, 8618, 9422, 9730, 20863, 21545, 23555, 30163, 41726, 43090, 47110, 60326, 93547, 104315, 146041, 150815, 187094, 208630, 292082, 301630, 467735, 654829, 730205, 935470, 1309658, 1460410, 2899957, 3274145, 5799914, 6548290, 14499785, 20299699, 28999570, 40599398, 101498495, 202996990]

約数ペア:

[(1, 202996990), (2, 101498495), (5, 40599398), (7, 28999570), (10, 20299699), (14, 14499785), (31, 6548290), (35, 5799914), (62, 3274145), (70, 2899957), (139, 1460410), (155, 1309658), (217, 935470), (278, 730205), (310, 654829), (434, 467735), (673, 301630), (695, 292082), (973, 208630), (1085, 187094), (1346, 150815), (1390, 146041), (1946, 104315), (2170, 93547), (3365, 60326), (4309, 47110), (4711, 43090), (4865, 41726), (6730, 30163), (8618, 23555), (9422, 21545), (9730, 20863)]