201900975

素因数分解:

$3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 341228160

約数和(自身を除く): 139327185

約数列:

[1, 3, 5, 15, 25, 75, 107, 139, 181, 321, 417, 535, 543, 695, 905, 1605, 2085, 2675, 2715, 3475, 4525, 8025, 10425, 13575, 14873, 19367, 25159, 44619, 58101, 74365, 75477, 96835, 125795, 223095, 290505, 371825, 377385, 484175, 628975, 1115475, 1452525, 1886925, 2692013, 8076039, 13460065, 40380195, 67300325, 201900975]

約数ペア:

[(1, 201900975), (3, 67300325), (5, 40380195), (15, 13460065), (25, 8076039), (75, 2692013), (107, 1886925), (139, 1452525), (181, 1115475), (321, 628975), (417, 484175), (535, 377385), (543, 371825), (695, 290505), (905, 223095), (1605, 125795), (2085, 96835), (2675, 75477), (2715, 74365), (3475, 58101), (4525, 44619), (8025, 25159), (10425, 19367), (13575, 14873)]