306072440

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{55049}}^1$

素因数の和:55199

約数の個数: 32

約数和(自身を含む): 693630000

約数和(自身を除く): 387557560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 55049, 110098, 220196, 275245, 440392, 550490, 1100980, 2201960, 7651811, 15303622, 30607244, 38259055, 61214488, 76518110, 153036220, 306072440]

約数ペア:

[(1, 306072440), (2, 153036220), (4, 76518110), (5, 61214488), (8, 38259055), (10, 30607244), (20, 15303622), (40, 7651811), (139, 2201960), (278, 1100980), (556, 550490), (695, 440392), (1112, 275245), (1390, 220196), (2780, 110098), (5560, 55049)]