134163940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3967}}^1$

素因数の和:4084

約数の個数: 48

約数和(自身を含む): 299980800

約数和(自身を除く): 165816860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 3967, 6764, 7934, 8455, 15868, 16910, 19835, 33820, 39670, 75373, 79340, 150746, 301492, 353063, 376865, 706126, 753730, 1412252, 1507460, 1765315, 3530630, 6708197, 7061260, 13416394, 26832788, 33540985, 67081970, 134163940]

約数ペア:

[(1, 134163940), (2, 67081970), (4, 33540985), (5, 26832788), (10, 13416394), (19, 7061260), (20, 6708197), (38, 3530630), (76, 1765315), (89, 1507460), (95, 1412252), (178, 753730), (190, 706126), (356, 376865), (380, 353063), (445, 301492), (890, 150746), (1691, 79340), (1780, 75373), (3382, 39670), (3967, 33820), (6764, 19835), (7934, 16910), (8455, 15868)]