216227770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67783}}^1$

素因数の和:67830

約数の個数: 32

約数和(自身を含む): 439240320

約数和(自身を除く): 223012550

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 67783, 135566, 338915, 677830, 745613, 1491226, 1965707, 3728065, 3931414, 7456130, 9828535, 19657070, 21622777, 43245554, 108113885, 216227770]

約数ペア:

[(1, 216227770), (2, 108113885), (5, 43245554), (10, 21622777), (11, 19657070), (22, 9828535), (29, 7456130), (55, 3931414), (58, 3728065), (110, 1965707), (145, 1491226), (290, 745613), (319, 677830), (638, 338915), (1595, 135566), (3190, 67783)]