919909540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113011}}^1$

素因数の和:113068

約数の個数: 48

約数和(自身を含む): 2164405824

約数和(自身を除く): 1244496284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 113011, 226022, 452044, 565055, 1130110, 1243121, 2260220, 2486242, 4181407, 4972484, 6215605, 8362814, 12431210, 16725628, 20907035, 24862420, 41814070, 45995477, 83628140, 91990954, 183981908, 229977385, 459954770, 919909540]

約数ペア:

[(1, 919909540), (2, 459954770), (4, 229977385), (5, 183981908), (10, 91990954), (11, 83628140), (20, 45995477), (22, 41814070), (37, 24862420), (44, 20907035), (55, 16725628), (74, 12431210), (110, 8362814), (148, 6215605), (185, 4972484), (220, 4181407), (370, 2486242), (407, 2260220), (740, 1243121), (814, 1130110), (1628, 565055), (2035, 452044), (4070, 226022), (8140, 113011)]