204042615

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{769}}^1$

素因数の和:829

約数の個数: 72

約数和(自身を含む): 401330160

約数和(自身を除く): 197287545

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 361, 399, 665, 735, 769, 931, 1083, 1805, 1995, 2307, 2527, 2793, 3845, 4655, 5383, 5415, 7581, 11535, 12635, 13965, 14611, 16149, 17689, 26915, 37681, 37905, 43833, 53067, 73055, 80745, 88445, 102277, 113043, 188405, 219165, 265335, 277609, 306831, 511385, 565215, 715939, 832827, 1388045, 1534155, 1943263, 2147817, 3579695, 4164135, 5829789, 9716315, 10739085, 13602841, 29148945, 40808523, 68014205, 204042615]

約数ペア:

[(1, 204042615), (3, 68014205), (5, 40808523), (7, 29148945), (15, 13602841), (19, 10739085), (21, 9716315), (35, 5829789), (49, 4164135), (57, 3579695), (95, 2147817), (105, 1943263), (133, 1534155), (147, 1388045), (245, 832827), (285, 715939), (361, 565215), (399, 511385), (665, 306831), (735, 277609), (769, 265335), (931, 219165), (1083, 188405), (1805, 113043), (1995, 102277), (2307, 88445), (2527, 80745), (2793, 73055), (3845, 53067), (4655, 43833), (5383, 37905), (5415, 37681), (7581, 26915), (11535, 17689), (12635, 16149), (13965, 14611)]