2249820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 7076160

約数和(自身を除く): 4826340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 431, 435, 522, 580, 862, 870, 1044, 1293, 1305, 1724, 1740, 2155, 2586, 2610, 3879, 4310, 5172, 5220, 6465, 7758, 8620, 12499, 12930, 15516, 19395, 24998, 25860, 37497, 38790, 49996, 62495, 74994, 77580, 112491, 124990, 149988, 187485, 224982, 249980, 374970, 449964, 562455, 749940, 1124910, 2249820]

約数ペア:

[(1, 2249820), (2, 1124910), (3, 749940), (4, 562455), (5, 449964), (6, 374970), (9, 249980), (10, 224982), (12, 187485), (15, 149988), (18, 124990), (20, 112491), (29, 77580), (30, 74994), (36, 62495), (45, 49996), (58, 38790), (60, 37497), (87, 25860), (90, 24998), (116, 19395), (145, 15516), (174, 12930), (180, 12499), (261, 8620), (290, 7758), (348, 6465), (431, 5220), (435, 5172), (522, 4310), (580, 3879), (862, 2610), (870, 2586), (1044, 2155), (1293, 1740), (1305, 1724)]