71379380

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 153679680

約数和(自身を除く): 82300300

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 241, 251, 295, 482, 502, 590, 964, 1004, 1180, 1205, 1255, 2410, 2510, 4820, 5020, 14219, 14809, 28438, 29618, 56876, 59236, 60491, 71095, 74045, 120982, 142190, 148090, 241964, 284380, 296180, 302455, 604910, 1209820, 3568969, 7137938, 14275876, 17844845, 35689690, 71379380]

約数ペア:

[(1, 71379380), (2, 35689690), (4, 17844845), (5, 14275876), (10, 7137938), (20, 3568969), (59, 1209820), (118, 604910), (236, 302455), (241, 296180), (251, 284380), (295, 241964), (482, 148090), (502, 142190), (590, 120982), (964, 74045), (1004, 71095), (1180, 60491), (1205, 59236), (1255, 56876), (2410, 29618), (2510, 28438), (4820, 14809), (5020, 14219)]