2691800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 6424440

約数和(自身を除く): 3732640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 313, 344, 430, 626, 860, 1075, 1252, 1565, 1720, 2150, 2504, 3130, 4300, 6260, 7825, 8600, 12520, 13459, 15650, 26918, 31300, 53836, 62600, 67295, 107672, 134590, 269180, 336475, 538360, 672950, 1345900, 2691800]

約数ペア:

[(1, 2691800), (2, 1345900), (4, 672950), (5, 538360), (8, 336475), (10, 269180), (20, 134590), (25, 107672), (40, 67295), (43, 62600), (50, 53836), (86, 31300), (100, 26918), (172, 15650), (200, 13459), (215, 12520), (313, 8600), (344, 7825), (430, 6260), (626, 4300), (860, 3130), (1075, 2504), (1252, 2150), (1565, 1720)]