219462640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{88493}}^1$

素因数の和:88537

約数の個数: 40

約数和(自身を含む): 526716288

約数和(自身を除く): 307253648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 88493, 176986, 353972, 442465, 707944, 884930, 1415888, 1769860, 2743283, 3539720, 5486566, 7079440, 10973132, 13716415, 21946264, 27432830, 43892528, 54865660, 109731320, 219462640]

約数ペア:

[(1, 219462640), (2, 109731320), (4, 54865660), (5, 43892528), (8, 27432830), (10, 21946264), (16, 13716415), (20, 10973132), (31, 7079440), (40, 5486566), (62, 3539720), (80, 2743283), (124, 1769860), (155, 1415888), (248, 884930), (310, 707944), (496, 442465), (620, 353972), (1240, 176986), (2480, 88493)]