318829880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419513}}^1$

素因数の和:419543

約数の個数: 32

約数和(自身を含む): 755125200

約数和(自身を除く): 436295320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 419513, 839026, 1678052, 2097565, 3356104, 4195130, 7970747, 8390260, 15941494, 16780520, 31882988, 39853735, 63765976, 79707470, 159414940, 318829880]

約数ペア:

[(1, 318829880), (2, 159414940), (4, 79707470), (5, 63765976), (8, 39853735), (10, 31882988), (19, 16780520), (20, 15941494), (38, 8390260), (40, 7970747), (76, 4195130), (95, 3356104), (152, 2097565), (190, 1678052), (380, 839026), (760, 419513)]