29879990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 65332224

約数和(自身を除く): 35452234

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 67, 70, 115, 134, 161, 230, 277, 322, 335, 469, 554, 670, 805, 938, 1385, 1541, 1610, 1939, 2345, 2770, 3082, 3878, 4690, 6371, 7705, 9695, 10787, 12742, 15410, 18559, 19390, 21574, 31855, 37118, 44597, 53935, 63710, 89194, 92795, 107870, 129913, 185590, 222985, 259826, 426857, 445970, 649565, 853714, 1299130, 2134285, 2987999, 4268570, 5975998, 14939995, 29879990]

約数ペア:

[(1, 29879990), (2, 14939995), (5, 5975998), (7, 4268570), (10, 2987999), (14, 2134285), (23, 1299130), (35, 853714), (46, 649565), (67, 445970), (70, 426857), (115, 259826), (134, 222985), (161, 185590), (230, 129913), (277, 107870), (322, 92795), (335, 89194), (469, 63710), (554, 53935), (670, 44597), (805, 37118), (938, 31855), (1385, 21574), (1541, 19390), (1610, 18559), (1939, 15410), (2345, 12742), (2770, 10787), (3082, 9695), (3878, 7705), (4690, 6371)]