201478240

素因数分解:

$2^5\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4049}}^1$

素因数の和:4375

約数の個数: 48

約数和(自身を含む): 477640800

約数和(自身を除く): 276162560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 311, 622, 1244, 1555, 2488, 3110, 4049, 4976, 6220, 8098, 9952, 12440, 16196, 20245, 24880, 32392, 40490, 49760, 64784, 80980, 129568, 161960, 323920, 647840, 1259239, 2518478, 5036956, 6296195, 10073912, 12592390, 20147824, 25184780, 40295648, 50369560, 100739120, 201478240]

約数ペア:

[(1, 201478240), (2, 100739120), (4, 50369560), (5, 40295648), (8, 25184780), (10, 20147824), (16, 12592390), (20, 10073912), (32, 6296195), (40, 5036956), (80, 2518478), (160, 1259239), (311, 647840), (622, 323920), (1244, 161960), (1555, 129568), (2488, 80980), (3110, 64784), (4049, 49760), (4976, 40490), (6220, 32392), (8098, 24880), (9952, 20245), (12440, 16196)]