28256340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{1373}}^1$

素因数の和:1406

約数の個数: 96

約数和(自身を含む): 92332800

約数和(自身を除く): 64076460

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, 343, 420, 490, 588, 686, 735, 980, 1029, 1372, 1373, 1470, 1715, 2058, 2746, 2940, 3430, 4116, 4119, 5145, 5492, 6860, 6865, 8238, 9611, 10290, 13730, 16476, 19222, 20580, 20595, 27460, 28833, 38444, 41190, 48055, 57666, 67277, 82380, 96110, 115332, 134554, 144165, 192220, 201831, 269108, 288330, 336385, 403662, 470939, 576660, 672770, 807324, 941878, 1009155, 1345540, 1412817, 1883756, 2018310, 2354695, 2825634, 4036620, 4709390, 5651268, 7064085, 9418780, 14128170, 28256340]

約数ペア:

[(1, 28256340), (2, 14128170), (3, 9418780), (4, 7064085), (5, 5651268), (6, 4709390), (7, 4036620), (10, 2825634), (12, 2354695), (14, 2018310), (15, 1883756), (20, 1412817), (21, 1345540), (28, 1009155), (30, 941878), (35, 807324), (42, 672770), (49, 576660), (60, 470939), (70, 403662), (84, 336385), (98, 288330), (105, 269108), (140, 201831), (147, 192220), (196, 144165), (210, 134554), (245, 115332), (294, 96110), (343, 82380), (420, 67277), (490, 57666), (588, 48055), (686, 41190), (735, 38444), (980, 28833), (1029, 27460), (1372, 20595), (1373, 20580), (1470, 19222), (1715, 16476), (2058, 13730), (2746, 10290), (2940, 9611), (3430, 8238), (4116, 6865), (4119, 6860), (5145, 5492)]