194658520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{1033}}^1$

素因数の和:1724

約数の個数: 64

約数和(自身を含む): 501779520

約数和(自身を除く): 307121000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 673, 1033, 1346, 2066, 2692, 3365, 4132, 4711, 5165, 5384, 6730, 7231, 8264, 9422, 10330, 13460, 14462, 18844, 20660, 23555, 26920, 28924, 36155, 37688, 41320, 47110, 57848, 72310, 94220, 144620, 188440, 289240, 695209, 1390418, 2780836, 3476045, 4866463, 5561672, 6952090, 9732926, 13904180, 19465852, 24332315, 27808360, 38931704, 48664630, 97329260, 194658520]

約数ペア:

[(1, 194658520), (2, 97329260), (4, 48664630), (5, 38931704), (7, 27808360), (8, 24332315), (10, 19465852), (14, 13904180), (20, 9732926), (28, 6952090), (35, 5561672), (40, 4866463), (56, 3476045), (70, 2780836), (140, 1390418), (280, 695209), (673, 289240), (1033, 188440), (1346, 144620), (2066, 94220), (2692, 72310), (3365, 57848), (4132, 47110), (4711, 41320), (5165, 37688), (5384, 36155), (6730, 28924), (7231, 26920), (8264, 23555), (9422, 20660), (10330, 18844), (13460, 14462)]