188885890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{13463}}^1$

素因数の和:13554

約数の個数: 32

約数和(自身を含む): 360619776

約数和(自身を除く): 171733886

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 230, 305, 610, 1403, 2806, 7015, 13463, 14030, 26926, 67315, 134630, 309649, 619298, 821243, 1548245, 1642486, 3096490, 4106215, 8212430, 18888589, 37777178, 94442945, 188885890]

約数ペア:

[(1, 188885890), (2, 94442945), (5, 37777178), (10, 18888589), (23, 8212430), (46, 4106215), (61, 3096490), (115, 1642486), (122, 1548245), (230, 821243), (305, 619298), (610, 309649), (1403, 134630), (2806, 67315), (7015, 26926), (13463, 14030)]