172000678540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3943}}^1\times {\mathrm{50723}}^1$

素因数の和:54718

約数の個数: 48

約数和(自身を含む): 369702482688

約数和(自身を除く): 197701804148

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 3943, 7886, 15772, 19715, 39430, 50723, 78860, 101446, 169549, 202892, 253615, 339098, 507230, 678196, 847745, 1014460, 1695490, 2181089, 3390980, 4362178, 8724356, 10905445, 21810890, 43621780, 200000789, 400001578, 800003156, 1000003945, 2000007890, 4000015780, 8600033927, 17200067854, 34400135708, 43000169635, 86000339270, 172000678540]

約数ペア:

[(1, 172000678540), (2, 86000339270), (4, 43000169635), (5, 34400135708), (10, 17200067854), (20, 8600033927), (43, 4000015780), (86, 2000007890), (172, 1000003945), (215, 800003156), (430, 400001578), (860, 200000789), (3943, 43621780), (7886, 21810890), (15772, 10905445), (19715, 8724356), (39430, 4362178), (50723, 3390980), (78860, 2181089), (101446, 1695490), (169549, 1014460), (202892, 847745), (253615, 678196), (339098, 507230)]