204764710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 403729920

約数和(自身を除く): 198965210

約数列:

[1, 2, 5, 10, 19, 38, 43, 71, 86, 95, 142, 190, 215, 353, 355, 430, 706, 710, 817, 1349, 1634, 1765, 2698, 3053, 3530, 4085, 6106, 6707, 6745, 8170, 13414, 13490, 15179, 15265, 25063, 30358, 30530, 33535, 50126, 58007, 67070, 75895, 116014, 125315, 151790, 250630, 288401, 290035, 476197, 576802, 580070, 952394, 1077709, 1442005, 2155418, 2380985, 2884010, 4761970, 5388545, 10777090, 20476471, 40952942, 102382355, 204764710]

約数ペア:

[(1, 204764710), (2, 102382355), (5, 40952942), (10, 20476471), (19, 10777090), (38, 5388545), (43, 4761970), (71, 2884010), (86, 2380985), (95, 2155418), (142, 1442005), (190, 1077709), (215, 952394), (353, 580070), (355, 576802), (430, 476197), (706, 290035), (710, 288401), (817, 250630), (1349, 151790), (1634, 125315), (1765, 116014), (2698, 75895), (3053, 67070), (3530, 58007), (4085, 50126), (6106, 33535), (6707, 30530), (6745, 30358), (8170, 25063), (13414, 15265), (13490, 15179)]