189980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:98

約数の個数: 48

約数和(自身を含む): 483840

約数和(自身を除く): 293860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 59, 70, 92, 115, 118, 140, 161, 230, 236, 295, 322, 413, 460, 590, 644, 805, 826, 1180, 1357, 1610, 1652, 2065, 2714, 3220, 4130, 5428, 6785, 8260, 9499, 13570, 18998, 27140, 37996, 47495, 94990, 189980]

約数ペア:

[(1, 189980), (2, 94990), (4, 47495), (5, 37996), (7, 27140), (10, 18998), (14, 13570), (20, 9499), (23, 8260), (28, 6785), (35, 5428), (46, 4130), (59, 3220), (70, 2714), (92, 2065), (115, 1652), (118, 1610), (140, 1357), (161, 1180), (230, 826), (236, 805), (295, 644), (322, 590), (413, 460)]