438337120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{210739}}^1$

素因数の和:210767

約数の個数: 48

約数和(自身を含む): 1115236080

約数和(自身を除く): 676898960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 210739, 421478, 842956, 1053695, 1685912, 2107390, 2739607, 3371824, 4214780, 5479214, 6743648, 8429560, 10958428, 13698035, 16859120, 21916856, 27396070, 33718240, 43833712, 54792140, 87667424, 109584280, 219168560, 438337120]

約数ペア:

[(1, 438337120), (2, 219168560), (4, 109584280), (5, 87667424), (8, 54792140), (10, 43833712), (13, 33718240), (16, 27396070), (20, 21916856), (26, 16859120), (32, 13698035), (40, 10958428), (52, 8429560), (65, 6743648), (80, 5479214), (104, 4214780), (130, 3371824), (160, 2739607), (208, 2107390), (260, 1685912), (416, 1053695), (520, 842956), (1040, 421478), (2080, 210739)]