438045380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1152751}}^1$

素因数の和:1152779

約数の個数: 24

約数和(自身を含む): 968311680

約数和(自身を除く): 530266300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1152751, 2305502, 4611004, 5763755, 11527510, 21902269, 23055020, 43804538, 87609076, 109511345, 219022690, 438045380]

約数ペア:

[(1, 438045380), (2, 219022690), (4, 109511345), (5, 87609076), (10, 43804538), (19, 23055020), (20, 21902269), (38, 11527510), (76, 5763755), (95, 4611004), (190, 2305502), (380, 1152751)]