199430042

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 377395200

約数和(自身を除く): 177965158

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 103, 133, 203, 206, 251, 266, 406, 502, 551, 721, 1102, 1442, 1757, 1957, 2987, 3514, 3857, 3914, 4769, 5974, 7279, 7714, 9538, 13699, 14558, 20909, 25853, 27398, 33383, 41818, 50953, 51706, 56753, 66766, 101906, 113506, 138301, 180971, 276602, 361942, 397271, 491207, 749737, 794542, 968107, 982414, 1499474, 1936214, 3438449, 5248159, 6876898, 10496318, 14245003, 28490006, 99715021, 199430042]

約数ペア:

[(1, 199430042), (2, 99715021), (7, 28490006), (14, 14245003), (19, 10496318), (29, 6876898), (38, 5248159), (58, 3438449), (103, 1936214), (133, 1499474), (203, 982414), (206, 968107), (251, 794542), (266, 749737), (406, 491207), (502, 397271), (551, 361942), (721, 276602), (1102, 180971), (1442, 138301), (1757, 113506), (1957, 101906), (2987, 66766), (3514, 56753), (3857, 51706), (3914, 50953), (4769, 41818), (5974, 33383), (7279, 27398), (7714, 25853), (9538, 20909), (13699, 14558)]