1680878870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{664379}}^1$

素因数の和:664420

約数の個数: 32

約数和(自身を含む): 3444145920

約数和(自身を除く): 1763267050

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 664379, 1328758, 3321895, 6643790, 7308169, 14616338, 15280717, 30561434, 36540845, 73081690, 76403585, 152807170, 168087887, 336175774, 840439435, 1680878870]

約数ペア:

[(1, 1680878870), (2, 840439435), (5, 336175774), (10, 168087887), (11, 152807170), (22, 76403585), (23, 73081690), (46, 36540845), (55, 30561434), (110, 15280717), (115, 14616338), (230, 7308169), (253, 6643790), (506, 3321895), (1265, 1328758), (2530, 664379)]