28170390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19979}}^1$

素因数の和:20036

約数の個数: 32

約数和(自身を含む): 69050880

約数和(自身を除く): 40880490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 19979, 39958, 59937, 99895, 119874, 199790, 299685, 599370, 939013, 1878026, 2817039, 4695065, 5634078, 9390130, 14085195, 28170390]

約数ペア:

[(1, 28170390), (2, 14085195), (3, 9390130), (5, 5634078), (6, 4695065), (10, 2817039), (15, 1878026), (30, 939013), (47, 599370), (94, 299685), (141, 199790), (235, 119874), (282, 99895), (470, 59937), (705, 39958), (1410, 19979)]