1997244650

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{3701}}^1$

素因数の和:4007

約数の個数: 48

約数和(自身を含む): 3817443168

約数和(自身を除く): 1820198518

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 251, 430, 502, 1075, 1255, 2150, 2510, 3701, 6275, 7402, 10793, 12550, 18505, 21586, 37010, 53965, 92525, 107930, 159143, 185050, 269825, 318286, 539650, 795715, 928951, 1591430, 1857902, 3978575, 4644755, 7957150, 9289510, 23223775, 39944893, 46447550, 79889786, 199724465, 399448930, 998622325, 1997244650]

約数ペア:

[(1, 1997244650), (2, 998622325), (5, 399448930), (10, 199724465), (25, 79889786), (43, 46447550), (50, 39944893), (86, 23223775), (215, 9289510), (251, 7957150), (430, 4644755), (502, 3978575), (1075, 1857902), (1255, 1591430), (2150, 928951), (2510, 795715), (3701, 539650), (6275, 318286), (7402, 269825), (10793, 185050), (12550, 159143), (18505, 107930), (21586, 92525), (37010, 53965)]