200408920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1481}}^1$

素因数の和:1708

約数の個数: 64

約数和(自身を含む): 480168000

約数和(自身を除く): 279759080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 199, 340, 398, 680, 796, 995, 1481, 1592, 1990, 2962, 3383, 3980, 5924, 6766, 7405, 7960, 11848, 13532, 14810, 16915, 25177, 27064, 29620, 33830, 50354, 59240, 67660, 100708, 125885, 135320, 201416, 251770, 294719, 503540, 589438, 1007080, 1178876, 1473595, 2357752, 2947190, 5010223, 5894380, 10020446, 11788760, 20040892, 25051115, 40081784, 50102230, 100204460, 200408920]

約数ペア:

[(1, 200408920), (2, 100204460), (4, 50102230), (5, 40081784), (8, 25051115), (10, 20040892), (17, 11788760), (20, 10020446), (34, 5894380), (40, 5010223), (68, 2947190), (85, 2357752), (136, 1473595), (170, 1178876), (199, 1007080), (340, 589438), (398, 503540), (680, 294719), (796, 251770), (995, 201416), (1481, 135320), (1592, 125885), (1990, 100708), (2962, 67660), (3383, 59240), (3980, 50354), (5924, 33830), (6766, 29620), (7405, 27064), (7960, 25177), (11848, 16915), (13532, 14810)]