201942680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1093}}^1$

素因数の和:1284

約数の個数: 64

約数和(自身を含む): 472608000

約数和(自身を除く): 270665320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 155, 248, 298, 310, 596, 620, 745, 1093, 1192, 1240, 1490, 2186, 2980, 4372, 4619, 5465, 5960, 8744, 9238, 10930, 18476, 21860, 23095, 33883, 36952, 43720, 46190, 67766, 92380, 135532, 162857, 169415, 184760, 271064, 325714, 338830, 651428, 677660, 814285, 1302856, 1355320, 1628570, 3257140, 5048567, 6514280, 10097134, 20194268, 25242835, 40388536, 50485670, 100971340, 201942680]

約数ペア:

[(1, 201942680), (2, 100971340), (4, 50485670), (5, 40388536), (8, 25242835), (10, 20194268), (20, 10097134), (31, 6514280), (40, 5048567), (62, 3257140), (124, 1628570), (149, 1355320), (155, 1302856), (248, 814285), (298, 677660), (310, 651428), (596, 338830), (620, 325714), (745, 271064), (1093, 184760), (1192, 169415), (1240, 162857), (1490, 135532), (2186, 92380), (2980, 67766), (4372, 46190), (4619, 43720), (5465, 36952), (5960, 33883), (8744, 23095), (9238, 21860), (10930, 18476)]