1554340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 3548160

約数和(自身を除く): 1993820

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 109, 115, 124, 155, 218, 230, 310, 436, 460, 545, 620, 713, 1090, 1426, 2180, 2507, 2852, 3379, 3565, 5014, 6758, 7130, 10028, 12535, 13516, 14260, 16895, 25070, 33790, 50140, 67580, 77717, 155434, 310868, 388585, 777170, 1554340]

約数ペア:

[(1, 1554340), (2, 777170), (4, 388585), (5, 310868), (10, 155434), (20, 77717), (23, 67580), (31, 50140), (46, 33790), (62, 25070), (92, 16895), (109, 14260), (115, 13516), (124, 12535), (155, 10028), (218, 7130), (230, 6758), (310, 5014), (436, 3565), (460, 3379), (545, 2852), (620, 2507), (713, 2180), (1090, 1426)]