389400176

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 857088000

約数和(自身を除く): 467687824

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 149, 176, 248, 298, 341, 479, 496, 596, 682, 958, 1192, 1364, 1639, 1916, 2384, 2728, 3278, 3832, 4619, 5269, 5456, 6556, 7664, 9238, 10538, 13112, 14849, 18476, 21076, 26224, 29698, 36952, 42152, 50809, 59396, 71371, 73904, 84304, 101618, 118792, 142742, 163339, 203236, 237584, 285484, 326678, 406472, 570968, 653356, 785081, 812944, 1141936, 1306712, 1570162, 2212501, 2613424, 3140324, 4425002, 6280648, 8850004, 12561296, 17700008, 24337511, 35400016, 48675022, 97350044, 194700088, 389400176]

約数ペア:

[(1, 389400176), (2, 194700088), (4, 97350044), (8, 48675022), (11, 35400016), (16, 24337511), (22, 17700008), (31, 12561296), (44, 8850004), (62, 6280648), (88, 4425002), (124, 3140324), (149, 2613424), (176, 2212501), (248, 1570162), (298, 1306712), (341, 1141936), (479, 812944), (496, 785081), (596, 653356), (682, 570968), (958, 406472), (1192, 326678), (1364, 285484), (1639, 237584), (1916, 203236), (2384, 163339), (2728, 142742), (3278, 118792), (3832, 101618), (4619, 84304), (5269, 73904), (5456, 71371), (6556, 59396), (7664, 50809), (9238, 42152), (10538, 36952), (13112, 29698), (14849, 26224), (18476, 21076)]