1878440

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 4268160

約数和(自身を除く): 2389720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 311, 604, 622, 755, 1208, 1244, 1510, 1555, 2488, 3020, 3110, 6040, 6220, 12440, 46961, 93922, 187844, 234805, 375688, 469610, 939220, 1878440]

約数ペア:

[(1, 1878440), (2, 939220), (4, 469610), (5, 375688), (8, 234805), (10, 187844), (20, 93922), (40, 46961), (151, 12440), (302, 6220), (311, 6040), (604, 3110), (622, 3020), (755, 2488), (1208, 1555), (1244, 1510)]