2549970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1019

約数の個数: 48

約数和(自身を含む): 6865560

約数和(自身を除く): 4315590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 977, 1305, 1954, 2610, 2931, 4885, 5862, 8793, 9770, 14655, 17586, 28333, 29310, 43965, 56666, 84999, 87930, 141665, 169998, 254997, 283330, 424995, 509994, 849990, 1274985, 2549970]

約数ペア:

[(1, 2549970), (2, 1274985), (3, 849990), (5, 509994), (6, 424995), (9, 283330), (10, 254997), (15, 169998), (18, 141665), (29, 87930), (30, 84999), (45, 56666), (58, 43965), (87, 29310), (90, 28333), (145, 17586), (174, 14655), (261, 9770), (290, 8793), (435, 5862), (522, 4885), (870, 2931), (977, 2610), (1305, 1954)]