8036980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 20109600

約数和(自身を除く): 12072620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 139, 140, 196, 236, 245, 278, 295, 413, 490, 556, 590, 695, 826, 973, 980, 1180, 1390, 1652, 1946, 2065, 2780, 2891, 3892, 4130, 4865, 5782, 6811, 8201, 8260, 9730, 11564, 13622, 14455, 16402, 19460, 27244, 28910, 32804, 34055, 41005, 57407, 57820, 68110, 82010, 114814, 136220, 164020, 229628, 287035, 401849, 574070, 803698, 1148140, 1607396, 2009245, 4018490, 8036980]

約数ペア:

[(1, 8036980), (2, 4018490), (4, 2009245), (5, 1607396), (7, 1148140), (10, 803698), (14, 574070), (20, 401849), (28, 287035), (35, 229628), (49, 164020), (59, 136220), (70, 114814), (98, 82010), (118, 68110), (139, 57820), (140, 57407), (196, 41005), (236, 34055), (245, 32804), (278, 28910), (295, 27244), (413, 19460), (490, 16402), (556, 14455), (590, 13622), (695, 11564), (826, 9730), (973, 8260), (980, 8201), (1180, 6811), (1390, 5782), (1652, 4865), (1946, 4130), (2065, 3892), (2780, 2891)]