172388840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19501}}^1$

素因数の和:19542

約数の個数: 64

約数和(自身を含む): 442305360

約数和(自身を除く): 269916520

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 19501, 39002, 78004, 97505, 156008, 195010, 253513, 331517, 390020, 507026, 663034, 780040, 1014052, 1267565, 1326068, 1657585, 2028104, 2535130, 2652136, 3315170, 4309721, 5070260, 6630340, 8619442, 10140520, 13260680, 17238884, 21548605, 34477768, 43097210, 86194420, 172388840]

約数ペア:

[(1, 172388840), (2, 86194420), (4, 43097210), (5, 34477768), (8, 21548605), (10, 17238884), (13, 13260680), (17, 10140520), (20, 8619442), (26, 6630340), (34, 5070260), (40, 4309721), (52, 3315170), (65, 2652136), (68, 2535130), (85, 2028104), (104, 1657585), (130, 1326068), (136, 1267565), (170, 1014052), (221, 780040), (260, 663034), (340, 507026), (442, 390020), (520, 331517), (680, 253513), (884, 195010), (1105, 156008), (1768, 97505), (2210, 78004), (4420, 39002), (8840, 19501)]