27719380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 64562400

約数和(自身を除く): 36843020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 139, 169, 236, 260, 278, 295, 338, 556, 590, 676, 695, 767, 845, 1180, 1390, 1534, 1690, 1807, 2780, 3068, 3380, 3614, 3835, 7228, 7670, 8201, 9035, 9971, 15340, 16402, 18070, 19942, 23491, 32804, 36140, 39884, 41005, 46982, 49855, 82010, 93964, 99710, 106613, 117455, 164020, 199420, 213226, 234910, 426452, 469820, 533065, 1066130, 1385969, 2132260, 2771938, 5543876, 6929845, 13859690, 27719380]

約数ペア:

[(1, 27719380), (2, 13859690), (4, 6929845), (5, 5543876), (10, 2771938), (13, 2132260), (20, 1385969), (26, 1066130), (52, 533065), (59, 469820), (65, 426452), (118, 234910), (130, 213226), (139, 199420), (169, 164020), (236, 117455), (260, 106613), (278, 99710), (295, 93964), (338, 82010), (556, 49855), (590, 46982), (676, 41005), (695, 39884), (767, 36140), (845, 32804), (1180, 23491), (1390, 19942), (1534, 18070), (1690, 16402), (1807, 15340), (2780, 9971), (3068, 9035), (3380, 8201), (3614, 7670), (3835, 7228)]