2854740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{971}}^1$

素因数の和:997

約数の個数: 72

約数和(自身を含む): 9307872

約数和(自身を除く): 6453132

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, 971, 980, 1470, 1942, 2913, 2940, 3884, 4855, 5826, 6797, 9710, 11652, 13594, 14565, 19420, 20391, 27188, 29130, 33985, 40782, 47579, 58260, 67970, 81564, 95158, 101955, 135940, 142737, 190316, 203910, 237895, 285474, 407820, 475790, 570948, 713685, 951580, 1427370, 2854740]

約数ペア:

[(1, 2854740), (2, 1427370), (3, 951580), (4, 713685), (5, 570948), (6, 475790), (7, 407820), (10, 285474), (12, 237895), (14, 203910), (15, 190316), (20, 142737), (21, 135940), (28, 101955), (30, 95158), (35, 81564), (42, 67970), (49, 58260), (60, 47579), (70, 40782), (84, 33985), (98, 29130), (105, 27188), (140, 20391), (147, 19420), (196, 14565), (210, 13594), (245, 11652), (294, 9710), (420, 6797), (490, 5826), (588, 4855), (735, 3884), (971, 2940), (980, 2913), (1470, 1942)]