9823990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 20339424

約数和(自身を除く): 10515434

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 121, 230, 242, 253, 353, 506, 605, 706, 1210, 1265, 1765, 2530, 2783, 3530, 3883, 5566, 7766, 8119, 13915, 16238, 19415, 27830, 38830, 40595, 42713, 81190, 85426, 89309, 178618, 213565, 427130, 446545, 893090, 982399, 1964798, 4911995, 9823990]

約数ペア:

[(1, 9823990), (2, 4911995), (5, 1964798), (10, 982399), (11, 893090), (22, 446545), (23, 427130), (46, 213565), (55, 178618), (110, 89309), (115, 85426), (121, 81190), (230, 42713), (242, 40595), (253, 38830), (353, 27830), (506, 19415), (605, 16238), (706, 13915), (1210, 8119), (1265, 7766), (1765, 5566), (2530, 3883), (2783, 3530)]