320207937

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 540587520

約数和(自身を除く): 220379583

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 157, 197, 203, 357, 471, 493, 591, 609, 1099, 1379, 1479, 2669, 3297, 3349, 3451, 4137, 4553, 5713, 8007, 10047, 10353, 13659, 17139, 18683, 23443, 30929, 31871, 39991, 56049, 70329, 77401, 92787, 95613, 97121, 119973, 216503, 232203, 291363, 525793, 541807, 649509, 679847, 896941, 1577379, 1625421, 2039541, 2690823, 3680551, 6278587, 11041653, 15247997, 18835761, 45743991, 106735979, 320207937]

約数ペア:

[(1, 320207937), (3, 106735979), (7, 45743991), (17, 18835761), (21, 15247997), (29, 11041653), (51, 6278587), (87, 3680551), (119, 2690823), (157, 2039541), (197, 1625421), (203, 1577379), (357, 896941), (471, 679847), (493, 649509), (591, 541807), (609, 525793), (1099, 291363), (1379, 232203), (1479, 216503), (2669, 119973), (3297, 97121), (3349, 95613), (3451, 92787), (4137, 77401), (4553, 70329), (5713, 56049), (8007, 39991), (10047, 31871), (10353, 30929), (13659, 23443), (17139, 18683)]