219878085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 428544000

約数和(自身を除く): 208665915

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 199, 255, 357, 595, 597, 619, 995, 1393, 1785, 1857, 2985, 3095, 3383, 4179, 4333, 6965, 9285, 10149, 10523, 12999, 16915, 20895, 21665, 23681, 31569, 50745, 52615, 64995, 71043, 73661, 118405, 123181, 157845, 220983, 355215, 368305, 369543, 615905, 862267, 1104915, 1847715, 2094077, 2586801, 4311335, 6282231, 10470385, 12934005, 14658539, 31411155, 43975617, 73292695, 219878085]

約数ペア:

[(1, 219878085), (3, 73292695), (5, 43975617), (7, 31411155), (15, 14658539), (17, 12934005), (21, 10470385), (35, 6282231), (51, 4311335), (85, 2586801), (105, 2094077), (119, 1847715), (199, 1104915), (255, 862267), (357, 615905), (595, 369543), (597, 368305), (619, 355215), (995, 220983), (1393, 157845), (1785, 123181), (1857, 118405), (2985, 73661), (3095, 71043), (3383, 64995), (4179, 52615), (4333, 50745), (6965, 31569), (9285, 23681), (10149, 21665), (10523, 20895), (12999, 16915)]