2498860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1373}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 6463296

約数和(自身を除く): 3964436

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1373, 1820, 2746, 5492, 6865, 9611, 13730, 17849, 19222, 27460, 35698, 38444, 48055, 71396, 89245, 96110, 124943, 178490, 192220, 249886, 356980, 499772, 624715, 1249430, 2498860]

約数ペア:

[(1, 2498860), (2, 1249430), (4, 624715), (5, 499772), (7, 356980), (10, 249886), (13, 192220), (14, 178490), (20, 124943), (26, 96110), (28, 89245), (35, 71396), (52, 48055), (65, 38444), (70, 35698), (91, 27460), (130, 19222), (140, 17849), (182, 13730), (260, 9611), (364, 6865), (455, 5492), (910, 2746), (1373, 1820)]