312178160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{557461}}^1$

素因数の和:557481

約数の個数: 40

約数和(自身を含む): 829503456

約数和(自身を除く): 517325296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 557461, 1114922, 2229844, 2787305, 3902227, 4459688, 5574610, 7804454, 8919376, 11149220, 15608908, 19511135, 22298440, 31217816, 39022270, 44596880, 62435632, 78044540, 156089080, 312178160]

約数ペア:

[(1, 312178160), (2, 156089080), (4, 78044540), (5, 62435632), (7, 44596880), (8, 39022270), (10, 31217816), (14, 22298440), (16, 19511135), (20, 15608908), (28, 11149220), (35, 8919376), (40, 7804454), (56, 5574610), (70, 4459688), (80, 3902227), (112, 2787305), (140, 2229844), (280, 1114922), (560, 557461)]