208606970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{145879}}^1$

素因数の和:145910

約数の個数: 32

約数和(自身を含む): 441141120

約数和(自身を除く): 232534150

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 145879, 291758, 729395, 1458790, 1604669, 1896427, 3209338, 3792854, 8023345, 9482135, 16046690, 18964270, 20860697, 41721394, 104303485, 208606970]

約数ペア:

[(1, 208606970), (2, 104303485), (5, 41721394), (10, 20860697), (11, 18964270), (13, 16046690), (22, 9482135), (26, 8023345), (55, 3792854), (65, 3209338), (110, 1896427), (130, 1604669), (143, 1458790), (286, 729395), (715, 291758), (1430, 145879)]