989294810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{14737}}^1$

素因数の和:14895

約数の個数: 48

約数和(自身を含む): 2086723944

約数和(自身を除く): 1097429134

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 137, 245, 274, 490, 685, 959, 1370, 1918, 4795, 6713, 9590, 13426, 14737, 29474, 33565, 67130, 73685, 103159, 147370, 206318, 515795, 722113, 1031590, 1444226, 2018969, 3610565, 4037938, 7221130, 10094845, 14132783, 20189690, 28265566, 70663915, 98929481, 141327830, 197858962, 494647405, 989294810]

約数ペア:

[(1, 989294810), (2, 494647405), (5, 197858962), (7, 141327830), (10, 98929481), (14, 70663915), (35, 28265566), (49, 20189690), (70, 14132783), (98, 10094845), (137, 7221130), (245, 4037938), (274, 3610565), (490, 2018969), (685, 1444226), (959, 1031590), (1370, 722113), (1918, 515795), (4795, 206318), (6713, 147370), (9590, 103159), (13426, 73685), (14737, 67130), (29474, 33565)]