7917980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2459}}^1$

素因数の和:2498

約数の個数: 48

約数和(自身を含む): 19837440

約数和(自身を除く): 11919460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 2459, 3220, 4918, 9836, 12295, 17213, 24590, 34426, 49180, 56557, 68852, 86065, 113114, 172130, 226228, 282785, 344260, 395899, 565570, 791798, 1131140, 1583596, 1979495, 3958990, 7917980]

約数ペア:

[(1, 7917980), (2, 3958990), (4, 1979495), (5, 1583596), (7, 1131140), (10, 791798), (14, 565570), (20, 395899), (23, 344260), (28, 282785), (35, 226228), (46, 172130), (70, 113114), (92, 86065), (115, 68852), (140, 56557), (161, 49180), (230, 34426), (322, 24590), (460, 17213), (644, 12295), (805, 9836), (1610, 4918), (2459, 3220)]