400150

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:216

約数の個数: 24

約数和(自身を含む): 763344

約数和(自身を除く): 363194

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 151, 265, 302, 530, 755, 1325, 1510, 2650, 3775, 7550, 8003, 16006, 40015, 80030, 200075, 400150]

約数ペア:

[(1, 400150), (2, 200075), (5, 80030), (10, 40015), (25, 16006), (50, 8003), (53, 7550), (106, 3775), (151, 2650), (265, 1510), (302, 1325), (530, 755)]