2507820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{853}}^1$

素因数の和:879

約数の個数: 72

約数和(自身を含む): 8177904

約数和(自身を除く): 5670084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 853, 980, 1470, 1706, 2559, 2940, 3412, 4265, 5118, 5971, 8530, 10236, 11942, 12795, 17060, 17913, 23884, 25590, 29855, 35826, 41797, 51180, 59710, 71652, 83594, 89565, 119420, 125391, 167188, 179130, 208985, 250782, 358260, 417970, 501564, 626955, 835940, 1253910, 2507820]

約数ペア:

[(1, 2507820), (2, 1253910), (3, 835940), (4, 626955), (5, 501564), (6, 417970), (7, 358260), (10, 250782), (12, 208985), (14, 179130), (15, 167188), (20, 125391), (21, 119420), (28, 89565), (30, 83594), (35, 71652), (42, 59710), (49, 51180), (60, 41797), (70, 35826), (84, 29855), (98, 25590), (105, 23884), (140, 17913), (147, 17060), (196, 12795), (210, 11942), (245, 10236), (294, 8530), (420, 5971), (490, 5118), (588, 4265), (735, 3412), (853, 2940), (980, 2559), (1470, 1706)]