245855505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 461168640

約数和(自身を除く): 215313135

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 105, 107, 237, 277, 321, 395, 535, 553, 749, 831, 1185, 1385, 1605, 1659, 1939, 2247, 2765, 3745, 4155, 5817, 8295, 8453, 9695, 11235, 21883, 25359, 29085, 29639, 42265, 59171, 65649, 88917, 109415, 126795, 148195, 153181, 177513, 207473, 295855, 328245, 444585, 459543, 622419, 765905, 887565, 1037365, 2297715, 2341481, 3112095, 7024443, 11707405, 16390367, 35122215, 49171101, 81951835, 245855505]

約数ペア:

[(1, 245855505), (3, 81951835), (5, 49171101), (7, 35122215), (15, 16390367), (21, 11707405), (35, 7024443), (79, 3112095), (105, 2341481), (107, 2297715), (237, 1037365), (277, 887565), (321, 765905), (395, 622419), (535, 459543), (553, 444585), (749, 328245), (831, 295855), (1185, 207473), (1385, 177513), (1605, 153181), (1659, 148195), (1939, 126795), (2247, 109415), (2765, 88917), (3745, 65649), (4155, 59171), (5817, 42265), (8295, 29639), (8453, 29085), (9695, 25359), (11235, 21883)]